SONAR-9575 Revert all changes made to support incremental mode

62 files changed, 98 insertions, 1151 deletions

diff --git a/server/sonar-db-core/src/main/resources/org/sonar/db/version/schema-h2.ddl b/server/sonar-db-core/src/main/resources/org/sonar/db/version/schema-h2.ddl
index ec2b6a3ac79..760b11ce89d 100644
--- a/server/sonar-db-core/src/main/resources/org/sonar/db/version/schema-h2.ddl
+++ b/server/sonar-db-core/src/main/resources/org/sonar/db/version/schema-h2.ddl
@@ -124,8 +124,7 @@ CREATE TABLE "SNAPSHOTS" (
   "PERIOD4_DATE" BIGINT,
   "PERIOD5_MODE" VARCHAR(100),
   "PERIOD5_PARAM" VARCHAR(100),
-  "PERIOD5_DATE" BIGINT,
-  "INCREMENTAL" BOOLEAN DEFAULT FALSE
+  "PERIOD5_DATE" BIGINT
 );
 CREATE INDEX "SNAPSHOT_COMPONENT" ON "SNAPSHOTS" ("COMPONENT_UUID");
 CREATE UNIQUE INDEX "ANALYSES_UUID" ON "SNAPSHOTS" ("UUID");
diff --git a/server/sonar-db-dao/src/main/java/org/sonar/db/ce/CeTaskCharacteristicDto.java b/server/sonar-db-dao/src/main/java/org/sonar/db/ce/CeTaskCharacteristicDto.java
index 7a60a07f986..9d757ceb077 100644
--- a/server/sonar-db-dao/src/main/java/org/sonar/db/ce/CeTaskCharacteristicDto.java
+++ b/server/sonar-db-dao/src/main/java/org/sonar/db/ce/CeTaskCharacteristicDto.java
@@ -21,7 +21,6 @@ package org.sonar.db.ce;
 
 public class CeTaskCharacteristicDto {
 
-  public static final String INCREMENTAL_KEY = "incremental";
   public static final String BRANCH_KEY = "branch";
   public static final String BRANCH_TYPE_KEY = "branchType";
 
diff --git a/server/sonar-db-dao/src/main/java/org/sonar/db/component/SnapshotDto.java b/server/sonar-db-dao/src/main/java/org/sonar/db/component/SnapshotDto.java
index e2bb957ea7f..e326b4da511 100644
--- a/server/sonar-db-dao/src/main/java/org/sonar/db/component/SnapshotDto.java
+++ b/server/sonar-db-dao/src/main/java/org/sonar/db/component/SnapshotDto.java
@@ -42,7 +42,6 @@ public final class SnapshotDto {
   private String periodMode;
   private String periodParam;
   private Long periodDate;
-  private boolean incremental = false;
 
   public Long getId() {
     return id;
@@ -156,15 +155,6 @@ public final class SnapshotDto {
     return this;
   }
 
-  public boolean getIncremental() {
-    return incremental;
-  }
-
-  public SnapshotDto setIncremental(boolean incremental) {
-    this.incremental = incremental;
-    return this;
-  }
-
   /**
    * @return analysis date
    */
diff --git a/server/sonar-db-dao/src/main/resources/org/sonar/db/component/SnapshotMapper.xml b/server/sonar-db-dao/src/main/resources/org/sonar/db/component/SnapshotMapper.xml
index b838cf23afe..8060e105448 100644
--- a/server/sonar-db-dao/src/main/resources/org/sonar/db/component/SnapshotMapper.xml
+++ b/server/sonar-db-dao/src/main/resources/org/sonar/db/component/SnapshotMapper.xml
@@ -14,8 +14,7 @@
     s.version as version,
     s.period1_mode as periodMode,
     s.period1_param as periodParam,
-    s.period1_date as periodDate,
-    s.incremental as incremental
+    s.period1_date as periodDate
   </sql>
 
   <sql id="viewsSnapshotColumns">
@@ -181,8 +180,7 @@
     version,
     period1_mode,
     period1_param,
-    period1_date,
-    incremental)
+    period1_date)
     values (
     #{uuid, jdbcType=VARCHAR},
     #{componentUuid, jdbcType=VARCHAR},
@@ -194,8 +192,7 @@
     #{version, jdbcType=VARCHAR},
     #{periodMode, jdbcType=VARCHAR},
     #{periodParam, jdbcType=VARCHAR},
-    #{periodDate, jdbcType=BIGINT},
-    #{incremental, jdbcType=BOOLEAN})
+    #{periodDate, jdbcType=BIGINT})
   </insert>
 </mapper>
 
diff --git a/server/sonar-db-dao/src/test/java/org/sonar/db/component/SnapshotDaoTest.java b/server/sonar-db-dao/src/test/java/org/sonar/db/component/SnapshotDaoTest.java
index 291143024b4..46c5bb93ab1 100644
--- a/server/sonar-db-dao/src/test/java/org/sonar/db/component/SnapshotDaoTest.java
+++ b/server/sonar-db-dao/src/test/java/org/sonar/db/component/SnapshotDaoTest.java
@@ -73,7 +73,6 @@ public class SnapshotDaoTest {
       .setPeriodParam("30")
       .setPeriodDate(1500000000001L)
       .setVersion("2.1-SNAPSHOT")
-      .setIncremental(false)
       .setBuildDate(1500000000006L)
       .setCreatedAt(1403042400000L));
 
@@ -91,8 +90,6 @@ public class SnapshotDaoTest {
     assertThat(result.getBuildDate()).isEqualTo(1500000000006L);
     assertThat(result.getCreatedAt()).isEqualTo(1403042400000L);
     assertThat(result.getVersion()).isEqualTo("2.1-SNAPSHOT");
-    assertThat(result.getIncremental()).isFalse();
-
 
     assertThat(underTest.selectByUuid(db.getSession(), "DOES_NOT_EXIST").isPresent()).isFalse();
   }
@@ -269,7 +266,6 @@ public class SnapshotDaoTest {
       .setPeriodDate(1500000000001L)
       .setVersion("2.1-SNAPSHOT")
       .setBuildDate(1500000000006L)
-      .setIncremental(true)
       .setCreatedAt(1403042400000L));
 
     assertThat(dto.getId()).isNotNull();
@@ -284,7 +280,6 @@ public class SnapshotDaoTest {
     assertThat(dto.getBuildDate()).isEqualTo(1500000000006L);
     assertThat(dto.getCreatedAt()).isEqualTo(1403042400000L);
     assertThat(dto.getVersion()).isEqualTo("2.1-SNAPSHOT");
-    assertThat(dto.getIncremental()).isTrue();
 
   }
 
@@ -393,8 +388,7 @@ public class SnapshotDaoTest {
       .setPeriodMode("days1")
       .setPeriodParam("30")
       .setPeriodDate(1_500_000_000_001L)
-      .setBuildDate(1_500_000_000_006L)
-      .setIncremental(false);
+      .setBuildDate(1_500_000_000_006L);
   }
 
   private CeActivityDto insertActivity(SnapshotDto analysis, CeActivityDto.Status status) {
diff --git a/server/sonar-db-dao/src/test/java/org/sonar/db/component/SnapshotDtoTest.java b/server/sonar-db-dao/src/test/java/org/sonar/db/component/SnapshotDtoTest.java
index 04ad4267454..4b8dd3e26af 100644
--- a/server/sonar-db-dao/src/test/java/org/sonar/db/component/SnapshotDtoTest.java
+++ b/server/sonar-db-dao/src/test/java/org/sonar/db/component/SnapshotDtoTest.java
@@ -36,7 +36,6 @@ public class SnapshotDtoTest {
       .setVersion("1.0")
       .setPeriodMode("mode1")
       .setPeriodParam("param1")
-      .setIncremental(true)
       .setPeriodDate(parseDate("2014-06-01").getTime());
 
     assertThat(snapshotDto.getId()).isEqualTo(10L);
@@ -46,7 +45,6 @@ public class SnapshotDtoTest {
     assertThat(snapshotDto.getVersion()).isEqualTo("1.0");
     assertThat(snapshotDto.getPeriodMode()).isEqualTo("mode1");
     assertThat(snapshotDto.getPeriodModeParameter()).isEqualTo("param1");
-    assertThat(snapshotDto.getIncremental()).isTrue();
     assertThat(snapshotDto.getPeriodDate()).isEqualTo(parseDate("2014-06-01").getTime());
   }
 
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeCommandsTest/shouldPurgeAnalysis-result.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeCommandsTest/shouldPurgeAnalysis-result.xml
index ef080fd3f64..6cb45a58538 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeCommandsTest/shouldPurgeAnalysis-result.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeCommandsTest/shouldPurgeAnalysis-result.xml
@@ -32,7 +32,6 @@ Note that measures, events and reviews are not deleted.
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!--switched_off="[null]" permanent_id="[null]" FAILURE_LEVEL="2"-->
@@ -97,7 +96,6 @@ Note that measures, events and reviews are not deleted.
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeCommandsTest/shouldPurgeAnalysis.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeCommandsTest/shouldPurgeAnalysis.xml
index 15104619310..d086021a151 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeCommandsTest/shouldPurgeAnalysis.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeCommandsTest/shouldPurgeAnalysis.xml
@@ -24,7 +24,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <project_measures ID="1"
@@ -89,7 +88,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <project_measures ID="2"
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/close_issues_clean_index_and_files_sources_of_specified_components-result.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/close_issues_clean_index_and_files_sources_of_specified_components-result.xml
index 00ee6f678a8..287f41e23de 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/close_issues_clean_index_and_files_sources_of_specified_components-result.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/close_issues_clean_index_and_files_sources_of_specified_components-result.xml
@@ -149,7 +149,6 @@ What has been changed :
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
       />
 
   <!-- Open issue on file -->
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/close_issues_clean_index_and_files_sources_of_specified_components.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/close_issues_clean_index_and_files_sources_of_specified_components.xml
index 4e7905239df..40c2ae8f4f7 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/close_issues_clean_index_and_files_sources_of_specified_components.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/close_issues_clean_index_and_files_sources_of_specified_components.xml
@@ -138,7 +138,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- Open issue on file -->
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAbortedBuilds-result.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAbortedBuilds-result.xml
index dd294d38bf2..e5c679bf4c5 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAbortedBuilds-result.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAbortedBuilds-result.xml
@@ -50,7 +50,6 @@ Snapshot 2 has been deleted
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- snapshot with status "processed" and flagged as "last" -> do not purge and do not delete -->
@@ -78,7 +77,6 @@ Snapshot 2 has been deleted
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 </dataset>
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAbortedBuilds.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAbortedBuilds.xml
index 3f493acd7eb..9acb701f9e9 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAbortedBuilds.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAbortedBuilds.xml
@@ -45,7 +45,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- snapshot with status "unprocessed" -> to be deleted -->
@@ -73,7 +72,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- snapshot with status "processed" and flagged as "last" -> do not purge and do not delete -->
@@ -101,7 +99,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 </dataset>
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAnalyses-result.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAnalyses-result.xml
index d5393b6756a..878595a3c80 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAnalyses-result.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAnalyses-result.xml
@@ -25,7 +25,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- delete only resource 1 -->
@@ -53,7 +52,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 </dataset>
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAnalyses.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAnalyses.xml
index 9d351499f2a..d4cdd256532 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAnalyses.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteAnalyses.xml
@@ -25,7 +25,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- delete only resource 1 -->
@@ -53,7 +52,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- to be deleted -->
@@ -81,7 +79,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 </dataset>
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteHistoricalDataOfDirectoriesAndFiles-result.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteHistoricalDataOfDirectoriesAndFiles-result.xml
index e32aeb548d0..3e6532b606a 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteHistoricalDataOfDirectoriesAndFiles-result.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteHistoricalDataOfDirectoriesAndFiles-result.xml
@@ -151,7 +151,6 @@ What has been changed : purge_status=1 on snapshot 4 (PRJ) and snapshots 5 and 6
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- snapshots to be purged -->
@@ -179,7 +178,6 @@ What has been changed : purge_status=1 on snapshot 4 (PRJ) and snapshots 5 and 6
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 </dataset>
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteHistoricalDataOfDirectoriesAndFiles.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteHistoricalDataOfDirectoriesAndFiles.xml
index eef613afa84..c6f8da44917 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteHistoricalDataOfDirectoriesAndFiles.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldDeleteHistoricalDataOfDirectoriesAndFiles.xml
@@ -139,7 +139,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- snapshots to be purged -->
@@ -167,7 +166,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 </dataset>
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldPurgeProject-result.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldPurgeProject-result.xml
index 0ce2b40b57e..5de7ce994c7 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldPurgeProject-result.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldPurgeProject-result.xml
@@ -66,7 +66,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 
@@ -95,7 +94,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- snapshot to be purged -->
@@ -123,7 +121,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 </dataset>
diff --git a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldPurgeProject.xml b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldPurgeProject.xml
index 69fb0fd3418..4590dc6260b 100644
--- a/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldPurgeProject.xml
+++ b/server/sonar-db-dao/src/test/resources/org/sonar/db/purge/PurgeDaoTest/shouldPurgeProject.xml
@@ -65,7 +65,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 
@@ -94,7 +93,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
   <!-- snapshot to be purged -->
@@ -122,7 +120,6 @@
              created_at="1228222680000"
              build_date="1228222680000"
              version="[null]"
-             incremental="[false]"
   />
 
 </dataset>
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v66/AddIncrementalColumnToSnapshotsTable.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v66/AddIncrementalColumnToSnapshotsTable.java
deleted file mode 100644
index 960626c0ccf..00000000000
--- a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v66/AddIncrementalColumnToSnapshotsTable.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2017 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.server.platform.db.migration.version.v66;
-
-import java.sql.SQLException;
-
-import org.sonar.db.Database;
-import org.sonar.server.platform.db.migration.def.BooleanColumnDef;
-import org.sonar.server.platform.db.migration.sql.AddColumnsBuilder;
-import org.sonar.server.platform.db.migration.step.DdlChange;
-
-public class AddIncrementalColumnToSnapshotsTable extends DdlChange {
-
-  public AddIncrementalColumnToSnapshotsTable(Database db) {
-    super(db);
-  }
-
-  @Override
-  public void execute(Context context) throws SQLException {
-    context.execute(new AddColumnsBuilder(getDialect(), "snapshots")
-      .addColumn(BooleanColumnDef.newBooleanColumnDefBuilder()
-        .setColumnName("incremental")
-        .setDefaultValue(false)
-        .build())
-      .build());
-  }
-
-}
diff --git a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v66/DbVersion66.java b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v66/DbVersion66.java
index e50531e123e..3bfe2ec422f 100644
--- a/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v66/DbVersion66.java
+++ b/server/sonar-db-migration/src/main/java/org/sonar/server/platform/db/migration/version/v66/DbVersion66.java
@@ -27,7 +27,6 @@ public class DbVersion66 implements DbVersion {
   @Override
   public void addSteps(MigrationStepRegistry registry) {
     registry
-      .add(1800, "Add incremental column to snapshots table", AddIncrementalColumnToSnapshotsTable.class)
       .add(1801, "Create table CE task characteristics", CreateTableCeTaskCharacteristics.class)
       .add(1802, "Delete leak settings on views", DeleteLeakSettingsOnViews.class)
       .add(1803, "Fix empty USERS.EXTERNAL_IDENTITY and USERS.EXTERNAL_IDENTITY_PROVIDER", FixEmptyIdentityProviderInUsers.class)
@@ -36,7 +35,6 @@ public class DbVersion66 implements DbVersion {
       .add(1806, "Create table project_branches", CreateTableProjectBranches.class)
       .add(1807, "Add on project_branches key", AddIndexOnProjectBranchesKey.class)
       .add(1808, "Add branch column to projects table", AddBranchColumnToProjectsTable.class)
-      .add(1809, "Populate project_branches with existing main branches", PopulateMainProjectBranches.class)
-    ;
+      .add(1809, "Populate project_branches with existing main branches", PopulateMainProjectBranches.class);
   }
 }
diff --git a/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v66/AddIncrementalColumnToSnapshotsTableTest.java b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v66/AddIncrementalColumnToSnapshotsTableTest.java
deleted file mode 100644
index 0519ba270b7..00000000000
--- a/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v66/AddIncrementalColumnToSnapshotsTableTest.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2017 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-package org.sonar.server.platform.db.migration.version.v66;
-
-import java.sql.SQLException;
-import java.sql.Types;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.rules.ExpectedException;
-import org.sonar.db.CoreDbTester;
-
-public class AddIncrementalColumnToSnapshotsTableTest {
-  @Rule
-  public CoreDbTester db = CoreDbTester.createForSchema(AddIncrementalColumnToSnapshotsTableTest.class, "old_snapshots.sql");
-  @Rule
-  public ExpectedException expectedException = ExpectedException.none();
-
-  private AddIncrementalColumnToSnapshotsTable underTest = new AddIncrementalColumnToSnapshotsTable(db.database());
-
-  @Test
-  public void migration_adds_column_to_empty_table() throws SQLException {
-    underTest.execute();
-
-    verifyAddedColumns();
-  }
-
-  @Test
-  public void migration_is_not_reentrant() throws SQLException {
-    underTest.execute();
-
-    expectedException.expect(IllegalStateException.class);
-    expectedException.expectMessage("Fail to execute ");
-    underTest.execute();
-  }
-
-  private void verifyAddedColumns() {
-    db.assertColumnDefinition("snapshots", "incremental", Types.BOOLEAN, null, true);
-  }
-
-}
diff --git a/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v66/DbVersion66Test.java b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v66/DbVersion66Test.java
index 74fa9c04b6d..76a9365740c 100644
--- a/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v66/DbVersion66Test.java
+++ b/server/sonar-db-migration/src/test/java/org/sonar/server/platform/db/migration/version/v66/DbVersion66Test.java
@@ -30,13 +30,13 @@ public class DbVersion66Test {
   private DbVersion66 underTest = new DbVersion66();
 
   @Test
-  public void migrationNumber_starts_at_1800() {
-    verifyMinimumMigrationNumber(underTest, 1800);
+  public void migrationNumber_starts_at_1801() {
+    verifyMinimumMigrationNumber(underTest, 1801);
   }
 
   @Test
   public void verify_migration_count() {
-    verifyMigrationCount(underTest, 10);
+    verifyMigrationCount(underTest, 9);
   }
 
 }
diff --git a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/ActivityAction.java b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/ActivityAction.java
index 598a574e6fa..e54d06826cf 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/ActivityAction.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/ActivityAction.java
@@ -99,9 +99,8 @@ public class ActivityAction implements CeWsAction {
       .setResponseExample(getClass().getResource("activity-example.json"))
       .setHandler(this)
       .setChangelog(
-        new Change("5.5", "it's no more possible to specify the page parameter.<"),
+        new Change("5.5", "it's no more possible to specify the page parameter."),
         new Change("6.1", "field \"logs\" is deprecated and its value is always false"),
-        new Change("6.6", "field \"incremental\" is added"),
         new Change("6.6", "fields \"branch\" and \"branchType\" added"))
       .setSince("5.2");
 
diff --git a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/ComponentAction.java b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/ComponentAction.java
index 71301984c9b..0f109ec370a 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/ComponentAction.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/ComponentAction.java
@@ -35,11 +35,11 @@ import org.sonar.db.component.ComponentDto;
 import org.sonar.server.component.ComponentFinder;
 import org.sonar.server.user.UserSession;
 import org.sonar.server.ws.KeyExamples;
+import org.sonarqube.ws.WsCe.ProjectResponse;
 
 import static org.sonar.db.Pagination.forPage;
 import static org.sonar.server.component.ComponentFinder.ParamNames.COMPONENT_ID_AND_COMPONENT;
 import static org.sonar.server.ws.WsUtils.writeProtobuf;
-import static org.sonarqube.ws.WsCe.ProjectResponse;
 import static org.sonarqube.ws.client.ce.CeWsParameters.DEPRECATED_PARAM_COMPONENT_KEY;
 import static org.sonarqube.ws.client.ce.CeWsParameters.PARAM_COMPONENT;
 import static org.sonarqube.ws.client.ce.CeWsParameters.PARAM_COMPONENT_ID;
@@ -69,7 +69,6 @@ public class ComponentAction implements CeWsAction {
       .setResponseExample(getClass().getResource("component-example.json"))
       .setChangelog(
         new Change("6.1", "field \"logs\" is deprecated and its value is always false"),
-        new Change("6.6", "field \"incremental\" is added"),
         new Change("6.6", "fields \"branch\" and \"branchType\" added"))
       .setHandler(this);
 
diff --git a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/SubmitAction.java b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/SubmitAction.java
index 1b5dd39b597..8fbcdc69a6c 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/SubmitAction.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/SubmitAction.java
@@ -19,13 +19,10 @@
  */
 package org.sonar.server.ce.ws;
 
-import static org.sonar.server.ws.WsUtils.checkRequest;
-
 import java.io.BufferedInputStream;
 import java.io.InputStream;
 import java.util.LinkedHashMap;
 import java.util.Map;
-
 import org.apache.commons.lang.StringUtils;
 import org.sonar.api.server.ws.Request;
 import org.sonar.api.server.ws.Response;
@@ -36,6 +33,8 @@ import org.sonar.server.organization.DefaultOrganizationProvider;
 import org.sonar.server.ws.WsUtils;
 import org.sonarqube.ws.WsCe;
 
+import static org.sonar.server.ws.WsUtils.checkRequest;
+
 public class SubmitAction implements CeWsAction {
 
   private static final String PARAM_ORGANIZATION_KEY = "organization";
@@ -96,7 +95,7 @@ public class SubmitAction implements CeWsAction {
       .createParam(PARAM_ANALYSIS_CHARACTERISTIC)
       .setRequired(false)
       .setDescription("Optional characteristic of the analysis. Can be repeated to define multiple characteristics.")
-      .setExampleValue("incremental=true")
+      .setExampleValue("branchType=long")
       .setSince("6.6");
   }
 
diff --git a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/TaskAction.java b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/TaskAction.java
index 40b7b408928..9e809380ce7 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/TaskAction.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/TaskAction.java
@@ -74,7 +74,6 @@ public class TaskAction implements CeWsAction {
       .setResponseExample(getClass().getResource("task-example.json"))
       .setSince("5.2")
       .setChangelog(
-        new Change("6.6", "field \"incremental\" is added"),
         new Change("6.6", "fields \"branch\" and \"branchType\" added"))
       .setHandler(this);
 
diff --git a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/TaskFormatter.java b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/TaskFormatter.java
index 606c361218e..1e8bf7ee9cd 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/ce/ws/TaskFormatter.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/ce/ws/TaskFormatter.java
@@ -89,7 +89,6 @@ public class TaskFormatter {
     builder.setSubmittedAt(formatDateTime(new Date(dto.getCreatedAt())));
     setNullable(dto.getStartedAt(), builder::setStartedAt, DateUtils::formatDateTime);
     setNullable(computeExecutionTimeMs(dto), builder::setExecutionTimeMs);
-    setIncremental(builder, dto.getUuid(), componentDtoCache);
     setBranch(builder, dto.getUuid(), componentDtoCache);
     return builder.build();
   }
@@ -119,7 +118,6 @@ public class TaskFormatter {
     if (analysisUuid != null) {
       builder.setAnalysisId(analysisUuid);
     }
-    setIncremental(builder, dto.getUuid(), componentDtoCache);
     setBranch(builder, dto.getUuid(), componentDtoCache);
     setNullable(analysisUuid, builder::setAnalysisId);
     setNullable(dto.getSubmitterLogin(), builder::setSubmitterLogin);
@@ -145,11 +143,6 @@ public class TaskFormatter {
     return builder;
   }
 
-  private static WsCe.Task.Builder setIncremental(WsCe.Task.Builder builder, String taskUuid, DtoCache componentDtoCache) {
-    builder.setIncremental(componentDtoCache.hasIncrementalCharacteristic(taskUuid));
-    return builder;
-  }
-
   private static WsCe.Task.Builder setBranch(WsCe.Task.Builder builder, String taskUuid, DtoCache componentDtoCache) {
     componentDtoCache.getBranchName(taskUuid).ifPresent(
       b -> {
@@ -243,12 +236,6 @@ public class TaskFormatter {
       return organizationDto.getKey();
     }
 
-    boolean hasIncrementalCharacteristic(String taskUuid) {
-      return characteristicsByTaskUuid.get(taskUuid).stream()
-        .filter(c -> c.getKey().equals(CeTaskCharacteristicDto.INCREMENTAL_KEY))
-        .anyMatch(c -> c.getValue().equals("true"));
-    }
-
     Optional<String> getBranchName(String taskUuid) {
       return characteristicsByTaskUuid.get(taskUuid).stream()
         .filter(c -> c.getKey().equals(CeTaskCharacteristicDto.BRANCH_KEY))
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolder.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolder.java
index 8334cc14b0e..e8dffaad582 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolder.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolder.java
@@ -56,11 +56,6 @@ public interface AnalysisMetadataHolder {
   boolean isFirstAnalysis();
 
   /**
-   * Whether this is an incremental analysis or a full analysis.
-   */
-  boolean isIncrementalAnalysis();
-
-  /**
    * Return the last analysis of the project.
    * If it's the first analysis, it will return null.
    *
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderImpl.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderImpl.java
index 5a6b5dd74b2..654755b0454 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderImpl.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderImpl.java
@@ -24,7 +24,6 @@ import java.util.Map;
 import java.util.Optional;
 import javax.annotation.CheckForNull;
 import javax.annotation.Nullable;
-
 import org.sonar.db.component.BranchType;
 import org.sonar.server.computation.util.InitializedProperty;
 import org.sonar.server.qualityprofile.QualityProfile;
@@ -37,7 +36,6 @@ public class AnalysisMetadataHolderImpl implements MutableAnalysisMetadataHolder
   private final InitializedProperty<Organization> organization = new InitializedProperty<>();
   private final InitializedProperty<String> uuid = new InitializedProperty<>();
   private final InitializedProperty<Long> analysisDate = new InitializedProperty<>();
-  private final InitializedProperty<Boolean> incrementalAnalysis = new InitializedProperty<>();
   private final InitializedProperty<Analysis> baseProjectSnapshot = new InitializedProperty<>();
   private final InitializedProperty<Boolean> crossProjectDuplicationEnabled = new InitializedProperty<>();
   private final InitializedProperty<Branch> branch = new InitializedProperty<>();
@@ -98,19 +96,6 @@ public class AnalysisMetadataHolderImpl implements MutableAnalysisMetadataHolder
   }
 
   @Override
-  public MutableAnalysisMetadataHolder setIncrementalAnalysis(boolean isIncrementalAnalysis) {
-    checkState(!incrementalAnalysis.isInitialized(), "Incremental analysis flag has already been set");
-    this.incrementalAnalysis.setProperty(isIncrementalAnalysis);
-    return this;
-  }
-
-  @Override
-  public boolean isIncrementalAnalysis() {
-    checkState(incrementalAnalysis.isInitialized(), "Incremental analysis flag has not been set");
-    return this.incrementalAnalysis.getProperty();
-  }
-
-  @Override
   public MutableAnalysisMetadataHolder setBaseAnalysis(@Nullable Analysis baseAnalysis) {
     checkState(!this.baseProjectSnapshot.isInitialized(), "Base project snapshot has already been set");
     this.baseProjectSnapshot.setProperty(baseAnalysis);
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/MutableAnalysisMetadataHolder.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/MutableAnalysisMetadataHolder.java
index de4cc6ee2c8..4b5477caf8c 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/MutableAnalysisMetadataHolder.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/analysis/MutableAnalysisMetadataHolder.java
@@ -41,11 +41,6 @@ public interface MutableAnalysisMetadataHolder extends AnalysisMetadataHolder {
   MutableAnalysisMetadataHolder setAnalysisDate(long date);
 
   /**
-   * @throws IllegalStateException if it has already been set
-   */
-  MutableAnalysisMetadataHolder setIncrementalAnalysis(boolean isIncrementalAnalysis);
-
-  /**
    * @throws IllegalStateException if baseAnalysis has already been set
    */
   MutableAnalysisMetadataHolder setBaseAnalysis(@Nullable Analysis baseAnalysis);
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/duplication/IncrementalDuplicationMeasures.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/duplication/IncrementalDuplicationMeasures.java
deleted file mode 100644
index c6e825ba602..00000000000
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/duplication/IncrementalDuplicationMeasures.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2017 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.server.computation.task.projectanalysis.duplication;
-
-public interface IncrementalDuplicationMeasures {
-  void execute();
-}
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/issue/IntegrateIssuesVisitor.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/issue/IntegrateIssuesVisitor.java
index 3a282e0663c..557de8de602 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/issue/IntegrateIssuesVisitor.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/issue/IntegrateIssuesVisitor.java
@@ -19,37 +19,27 @@
  */
 package org.sonar.server.computation.task.projectanalysis.issue;
 
-import static org.sonar.server.computation.task.projectanalysis.component.ComponentVisitor.Order.POST_ORDER;
-
-import java.util.Collection;
-import java.util.List;
 import java.util.Map;
-
 import org.sonar.core.issue.DefaultIssue;
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
-import org.sonar.server.computation.task.projectanalysis.component.Component.Status;
 import org.sonar.server.computation.task.projectanalysis.component.CrawlerDepthLimit;
 import org.sonar.server.computation.task.projectanalysis.component.TypeAwareVisitorAdapter;
 import org.sonar.server.util.cache.DiskCache;
 
+import static org.sonar.server.computation.task.projectanalysis.component.ComponentVisitor.Order.POST_ORDER;
+
 public class IntegrateIssuesVisitor extends TypeAwareVisitorAdapter {
 
   private final IssueCache issueCache;
   private final IssueLifecycle issueLifecycle;
   private final IssueVisitors issueVisitors;
-  private final ComponentIssuesLoader issuesLoader;
-  private final AnalysisMetadataHolder analysisMetadataHolder;
   private final IssueTrackingDelegator issueTracking;
 
-  public IntegrateIssuesVisitor(IssueCache issueCache, IssueLifecycle issueLifecycle, IssueVisitors issueVisitors, ComponentIssuesLoader issuesLoader,
-    AnalysisMetadataHolder analysisMetadataHolder, IssueTrackingDelegator issueTracking) {
+  public IntegrateIssuesVisitor(IssueCache issueCache, IssueLifecycle issueLifecycle, IssueVisitors issueVisitors, IssueTrackingDelegator issueTracking) {
     super(CrawlerDepthLimit.FILE, POST_ORDER);
     this.issueCache = issueCache;
     this.issueLifecycle = issueLifecycle;
     this.issueVisitors = issueVisitors;
-    this.issuesLoader = issuesLoader;
-    this.analysisMetadataHolder = analysisMetadataHolder;
     this.issueTracking = issueTracking;
   }
 
@@ -58,27 +48,17 @@ public class IntegrateIssuesVisitor extends TypeAwareVisitorAdapter {
     try (DiskCache<DefaultIssue>.DiskAppender cacheAppender = issueCache.newAppender()) {
       issueVisitors.beforeComponent(component);
 
-      if (isIncremental(component)) {
-        // no tracking needed, simply re-use existing issues
-        List<DefaultIssue> issues = issuesLoader.loadForComponentUuid(component.getUuid());
-        reuseOpenIssues(component, issues, cacheAppender);
-      } else {
-        TrackingResult tracking = issueTracking.track(component);
-        fillNewOpenIssues(component, tracking.newIssues(), cacheAppender);
-        fillExistingOpenIssues(component, tracking.issuesToMerge(), cacheAppender);
-        closeIssues(component, tracking.issuesToClose(), cacheAppender);
-        copyIssues(component, tracking.issuesToCopy(), cacheAppender);
-      }
+      TrackingResult tracking = issueTracking.track(component);
+      fillNewOpenIssues(component, tracking.newIssues(), cacheAppender);
+      fillExistingOpenIssues(component, tracking.issuesToMerge(), cacheAppender);
+      closeIssues(component, tracking.issuesToClose(), cacheAppender);
+      copyIssues(component, tracking.issuesToCopy(), cacheAppender);
       issueVisitors.afterComponent(component);
     } catch (Exception e) {
       throw new IllegalStateException(String.format("Fail to process issues of component '%s'", component.getKey()), e);
     }
   }
 
-  private boolean isIncremental(Component component) {
-    return analysisMetadataHolder.isIncrementalAnalysis() && component.getStatus() == Status.SAME;
-  }
-
   private void fillNewOpenIssues(Component component, Iterable<DefaultIssue> issues, DiskCache<DefaultIssue>.DiskAppender cacheAppender) {
     for (DefaultIssue issue : issues) {
       issueLifecycle.initNewOpenIssue(issue);
@@ -95,12 +75,6 @@ public class IntegrateIssuesVisitor extends TypeAwareVisitorAdapter {
     }
   }
 
-  private void reuseOpenIssues(Component component, Collection<DefaultIssue> issues, DiskCache<DefaultIssue>.DiskAppender cacheAppender) {
-    for (DefaultIssue issue : issues) {
-      process(component, issue, cacheAppender);
-    }
-  }
-
   private void fillExistingOpenIssues(Component component, Map<DefaultIssue, DefaultIssue> matched, DiskCache<DefaultIssue>.DiskAppender cacheAppender) {
     for (Map.Entry<DefaultIssue, DefaultIssue> entry : matched.entrySet()) {
       DefaultIssue raw = entry.getKey();
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/issue/IssueLifecycle.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/issue/IssueLifecycle.java
index 8bfc6fe06d5..af327cf7090 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/issue/IssueLifecycle.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/issue/IssueLifecycle.java
@@ -33,7 +33,6 @@ import org.sonar.server.issue.workflow.IssueWorkflow;
  * Sets the appropriate fields when an issue is :
  * <ul>
  *   <li>newly created</li>
- *   <li>reused in incremental analysis</li>
  *   <li>merged the related base issue</li>
  *   <li>relocated (only manual issues)</li>
  * </ul>
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/measure/IncrementalMeasureTransition.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/measure/IncrementalMeasureTransition.java
deleted file mode 100644
index e05410b1d9c..00000000000
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/measure/IncrementalMeasureTransition.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2017 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.server.computation.task.projectanalysis.measure;
-
-/**
- * Provided by the incremental plugin
- */
-public interface IncrementalMeasureTransition extends Runnable {
-
-}
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/DuplicationMeasuresStep.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/DuplicationMeasuresStep.java
index 5a66cd4a66a..44528910052 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/DuplicationMeasuresStep.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/DuplicationMeasuresStep.java
@@ -19,12 +19,8 @@
  */
 package org.sonar.server.computation.task.projectanalysis.step;
 
-import javax.annotation.Nullable;
-
 import org.sonar.api.measures.CoreMetrics;
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
 import org.sonar.server.computation.task.projectanalysis.duplication.DuplicationMeasures;
-import org.sonar.server.computation.task.projectanalysis.duplication.IncrementalDuplicationMeasures;
 import org.sonar.server.computation.task.step.ComputationStep;
 
 /**
@@ -33,22 +29,10 @@ import org.sonar.server.computation.task.step.ComputationStep;
  * This step must be executed after {@link CommentMeasuresStep} as it depends on {@link CoreMetrics#COMMENT_LINES}
  */
 public class DuplicationMeasuresStep implements ComputationStep {
-  private final AnalysisMetadataHolder analysisMetadataHolder;
   private final DuplicationMeasures defaultDuplicationMeasures;
-  private final IncrementalDuplicationMeasures incrementalDuplicationsMeasures;
 
-  public DuplicationMeasuresStep(AnalysisMetadataHolder analysisMetadataHolder, DuplicationMeasures defaultDuplicationMeasures,
-    @Nullable IncrementalDuplicationMeasures incrementalDuplicationMeasures) {
-    this.analysisMetadataHolder = analysisMetadataHolder;
+  public DuplicationMeasuresStep(DuplicationMeasures defaultDuplicationMeasures) {
     this.defaultDuplicationMeasures = defaultDuplicationMeasures;
-    this.incrementalDuplicationsMeasures = incrementalDuplicationMeasures;
-  }
-
-  /**
-   * Constructor used by Pico in Views where no IncrementalDuplicationMeasures is available.
-   */
-  public DuplicationMeasuresStep(AnalysisMetadataHolder analysisMetadataHolder, DuplicationMeasures defaultDuplicationMeasures) {
-    this(analysisMetadataHolder, defaultDuplicationMeasures, null);
   }
 
   @Override
@@ -58,10 +42,6 @@ public class DuplicationMeasuresStep implements ComputationStep {
 
   @Override
   public void execute() {
-    if (analysisMetadataHolder.isIncrementalAnalysis()) {
-      incrementalDuplicationsMeasures.execute();
-    } else {
-      defaultDuplicationMeasures.execute();
-    }
+    defaultDuplicationMeasures.execute();
   }
 }
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/IncrementalMeasureTransitionStep.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/IncrementalMeasureTransitionStep.java
deleted file mode 100644
index 78f7c16fa69..00000000000
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/IncrementalMeasureTransitionStep.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2017 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.server.computation.task.projectanalysis.step;
-
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
-import org.sonar.server.computation.task.projectanalysis.measure.IncrementalMeasureTransition;
-import org.sonar.server.computation.task.step.ComputationStep;
-
-public class IncrementalMeasureTransitionStep implements ComputationStep {
-  private final AnalysisMetadataHolder analysisMetadataHolder;
-  private final IncrementalMeasureTransition runnable;
-
-  public IncrementalMeasureTransitionStep(AnalysisMetadataHolder analysisMetadataHolder) {
-    this(analysisMetadataHolder, null);
-  }
-
-  public IncrementalMeasureTransitionStep(AnalysisMetadataHolder analysisMetadataHolder, IncrementalMeasureTransition runnable) {
-    this.analysisMetadataHolder = analysisMetadataHolder;
-    this.runnable = runnable;
-  }
-
-  @Override
-  public void execute() {
-    if (analysisMetadataHolder.isIncrementalAnalysis()) {
-      runnable.run();
-    }
-  }
-
-  @Override
-  public String getDescription() {
-    return "Incremental measure transition";
-  }
-}
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/LoadDuplicationsFromReportStep.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/LoadDuplicationsFromReportStep.java
index 5c7c70a58f1..82702754de6 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/LoadDuplicationsFromReportStep.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/LoadDuplicationsFromReportStep.java
@@ -23,7 +23,6 @@ import com.google.common.base.Function;
 import javax.annotation.Nonnull;
 import org.sonar.core.util.CloseableIterator;
 import org.sonar.scanner.protocol.output.ScannerReport;
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReader;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
 import org.sonar.server.computation.task.projectanalysis.component.CrawlerDepthLimit;
@@ -50,14 +49,11 @@ public class LoadDuplicationsFromReportStep implements ComputationStep {
   private final TreeRootHolder treeRootHolder;
   private final BatchReportReader batchReportReader;
   private final DuplicationRepository duplicationRepository;
-  private final AnalysisMetadataHolder analysisMetadataHolder;
 
-  public LoadDuplicationsFromReportStep(TreeRootHolder treeRootHolder, BatchReportReader batchReportReader,
-    DuplicationRepository duplicationRepository, AnalysisMetadataHolder analysisMetadataHolder) {
+  public LoadDuplicationsFromReportStep(TreeRootHolder treeRootHolder, BatchReportReader batchReportReader, DuplicationRepository duplicationRepository) {
     this.treeRootHolder = treeRootHolder;
     this.batchReportReader = batchReportReader;
     this.duplicationRepository = duplicationRepository;
-    this.analysisMetadataHolder = analysisMetadataHolder;
   }
 
   @Override
@@ -67,21 +63,19 @@ public class LoadDuplicationsFromReportStep implements ComputationStep {
 
   @Override
   public void execute() {
-    if (!analysisMetadataHolder.isIncrementalAnalysis()) {
-      new DepthTraversalTypeAwareCrawler(
-        new TypeAwareVisitorAdapter(CrawlerDepthLimit.FILE, POST_ORDER) {
-          @Override
-          public void visitFile(Component file) {
-            try (CloseableIterator<ScannerReport.Duplication> duplications = batchReportReader.readComponentDuplications(file.getReportAttributes().getRef())) {
-              int idGenerator = 1;
-              while (duplications.hasNext()) {
-                loadDuplications(file, duplications.next(), idGenerator);
-                idGenerator++;
-              }
+    new DepthTraversalTypeAwareCrawler(
+      new TypeAwareVisitorAdapter(CrawlerDepthLimit.FILE, POST_ORDER) {
+        @Override
+        public void visitFile(Component file) {
+          try (CloseableIterator<ScannerReport.Duplication> duplications = batchReportReader.readComponentDuplications(file.getReportAttributes().getRef())) {
+            int idGenerator = 1;
+            while (duplications.hasNext()) {
+              loadDuplications(file, duplications.next(), idGenerator);
+              idGenerator++;
             }
           }
-        }).visit(treeRootHolder.getRoot());
-    }
+        }
+      }).visit(treeRootHolder.getRoot());
   }
 
   private void loadDuplications(Component file, ScannerReport.Duplication duplication, int id) {
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/LoadReportAnalysisMetadataHolderStep.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/LoadReportAnalysisMetadataHolderStep.java
index e5f5f6bf33b..1010269638c 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/LoadReportAnalysisMetadataHolderStep.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/LoadReportAnalysisMetadataHolderStep.java
@@ -50,11 +50,9 @@ import org.sonar.server.computation.task.step.ComputationStep;
 import org.sonar.server.organization.DefaultOrganizationProvider;
 import org.sonar.server.qualityprofile.QualityProfile;
 
-import static java.util.stream.Collectors.toMap;
 import static com.google.common.base.Preconditions.checkState;
-import static com.google.common.collect.Maps.transformValues;
 import static java.lang.String.format;
-import static org.apache.commons.lang.StringUtils.isNotEmpty;
+import static java.util.stream.Collectors.toMap;
 import static org.sonar.core.util.stream.MoreCollectors.toList;
 
 /**
@@ -87,7 +85,6 @@ public class LoadReportAnalysisMetadataHolderStep implements ComputationStep {
     loadMetadata(reportMetadata);
     Organization organization = loadOrganization(reportMetadata);
     loadProject(reportMetadata, organization);
-    loadIncrementalMode(reportMetadata);
     loadQualityProfiles(reportMetadata, organization);
     branchLoader.load(reportMetadata);
   }
@@ -141,10 +138,6 @@ public class LoadReportAnalysisMetadataHolderStep implements ComputationStep {
     return pluginInfo.getBasePlugin();
   }
 
-  private void loadIncrementalMode(ScannerReport.Metadata reportMetadata) {
-    analysisMetadata.setIncrementalAnalysis(reportMetadata.getIncremental());
-  }
-
   /**
    * Check that the Quality profiles sent by scanner correctly relate to the project organization.
    */
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistAnalysisStep.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistAnalysisStep.java
index df884f39c5c..ef8e57dc3a2 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistAnalysisStep.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistAnalysisStep.java
@@ -76,14 +76,14 @@ public class PersistAnalysisStep implements ComputationStep {
 
     @Override
     public void visitProject(Component project) {
-      SnapshotDto snapshot = createAnalysis(analysisMetadataHolder.getUuid(), project, true, analysisMetadataHolder.isIncrementalAnalysis());
+      SnapshotDto snapshot = createAnalysis(analysisMetadataHolder.getUuid(), project, true);
       updateSnapshotPeriods(snapshot);
       persist(snapshot, dbSession);
     }
 
     @Override
     public void visitView(Component view) {
-      SnapshotDto snapshot = createAnalysis(analysisMetadataHolder.getUuid(), view, false, false);
+      SnapshotDto snapshot = createAnalysis(analysisMetadataHolder.getUuid(), view, false);
       updateSnapshotPeriods(snapshot);
       persist(snapshot, dbSession);
     }
@@ -98,13 +98,12 @@ public class PersistAnalysisStep implements ComputationStep {
       snapshotDto.setPeriodDate(period.getSnapshotDate());
     }
 
-    private SnapshotDto createAnalysis(String snapshotUuid, Component component, boolean setVersion, boolean incremental) {
+    private SnapshotDto createAnalysis(String snapshotUuid, Component component, boolean setVersion) {
       String componentUuid = component.getUuid();
       return new SnapshotDto()
         .setUuid(snapshotUuid)
         .setVersion(setVersion ? component.getReportAttributes().getVersion() : null)
         .setComponentUuid(componentUuid)
-        .setIncremental(incremental)
         .setLast(false)
         .setStatus(SnapshotDto.STATUS_UNPROCESSED)
         .setCreatedAt(analysisDate)
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistCrossProjectDuplicationIndexStep.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistCrossProjectDuplicationIndexStep.java
index 8d57e9bf5cd..f0be9ded75d 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistCrossProjectDuplicationIndexStep.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistCrossProjectDuplicationIndexStep.java
@@ -19,18 +19,14 @@
  */
 package org.sonar.server.computation.task.projectanalysis.step;
 
-import java.util.List;
-import javax.annotation.Nullable;
 import org.sonar.core.util.CloseableIterator;
 import org.sonar.db.DbClient;
 import org.sonar.db.DbSession;
 import org.sonar.db.duplication.DuplicationUnitDto;
 import org.sonar.scanner.protocol.output.ScannerReport;
-import org.sonar.server.computation.task.projectanalysis.analysis.Analysis;
 import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReader;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
-import org.sonar.server.computation.task.projectanalysis.component.Component.Status;
 import org.sonar.server.computation.task.projectanalysis.component.CrawlerDepthLimit;
 import org.sonar.server.computation.task.projectanalysis.component.DepthTraversalTypeAwareCrawler;
 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolder;
@@ -69,9 +65,7 @@ public class PersistCrossProjectDuplicationIndexStep implements ComputationStep
 
     try (DbSession dbSession = dbClient.openSession(true)) {
       Component project = treeRootHolder.getRoot();
-      Analysis baseAnalysis = analysisMetadataHolder.getBaseAnalysis();
-      String lastAnalysysUuid = (baseAnalysis != null) ? baseAnalysis.getUuid() : null;
-      new DepthTraversalTypeAwareCrawler(new DuplicationVisitor(dbSession, analysisMetadataHolder.getUuid(), lastAnalysysUuid)).visit(project);
+      new DepthTraversalTypeAwareCrawler(new DuplicationVisitor(dbSession, analysisMetadataHolder.getUuid())).visit(project);
       dbSession.commit();
     }
   }
@@ -80,13 +74,11 @@ public class PersistCrossProjectDuplicationIndexStep implements ComputationStep
 
     private final DbSession session;
     private final String analysisUuid;
-    private final String lastAnalysisUuid;
 
-    private DuplicationVisitor(DbSession session, String analysisUuid, @Nullable String lastAnalysisUuid) {
+    private DuplicationVisitor(DbSession session, String analysisUuid) {
       super(CrawlerDepthLimit.FILE, PRE_ORDER);
       this.session = session;
       this.analysisUuid = analysisUuid;
-      this.lastAnalysisUuid = lastAnalysisUuid;
     }
 
     @Override
@@ -95,11 +87,7 @@ public class PersistCrossProjectDuplicationIndexStep implements ComputationStep
     }
 
     private void visitComponent(Component component) {
-      if (analysisMetadataHolder.isIncrementalAnalysis() && component.getStatus() == Status.SAME) {
-        readFromDb(component);
-      } else {
-        readFromReport(component);
-      }
+      readFromReport(component);
     }
 
     private void readFromReport(Component component) {
@@ -121,16 +109,6 @@ public class PersistCrossProjectDuplicationIndexStep implements ComputationStep
       }
     }
 
-    private void readFromDb(Component component) {
-      int indexInFile = 0;
-      List<DuplicationUnitDto> units = dbClient.duplicationDao().selectComponent(session, component.getUuid(), lastAnalysisUuid);
-      for (DuplicationUnitDto unit : units) {
-        unit.setAnalysisUuid(analysisUuid);
-        unit.setIndexInFile(indexInFile);
-        dbClient.duplicationDao().insert(session, unit);
-        indexInFile++;
-      }
-    }
   }
 
   @Override
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistFileSourcesStep.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistFileSourcesStep.java
index 79a8aeec726..b0219d2b094 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistFileSourcesStep.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/PersistFileSourcesStep.java
@@ -37,10 +37,8 @@ import org.sonar.db.protobuf.DbFileSources;
 import org.sonar.db.source.FileSourceDto;
 import org.sonar.db.source.FileSourceDto.Type;
 import org.sonar.scanner.protocol.output.ScannerReport;
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReader;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
-import org.sonar.server.computation.task.projectanalysis.component.Component.Status;
 import org.sonar.server.computation.task.projectanalysis.component.CrawlerDepthLimit;
 import org.sonar.server.computation.task.projectanalysis.component.DepthTraversalTypeAwareCrawler;
 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolder;
@@ -71,10 +69,9 @@ public class PersistFileSourcesStep implements ComputationStep {
   private final SourceLinesRepository sourceLinesRepository;
   private final ScmInfoRepository scmInfoRepository;
   private final DuplicationRepository duplicationRepository;
-  private final AnalysisMetadataHolder analysisMetadataHolder;
 
   public PersistFileSourcesStep(DbClient dbClient, System2 system2, TreeRootHolder treeRootHolder, BatchReportReader reportReader, SourceLinesRepository sourceLinesRepository,
-    ScmInfoRepository scmInfoRepository, DuplicationRepository duplicationRepository, AnalysisMetadataHolder analysisMetadataHolder) {
+    ScmInfoRepository scmInfoRepository, DuplicationRepository duplicationRepository) {
     this.dbClient = dbClient;
     this.system2 = system2;
     this.treeRootHolder = treeRootHolder;
@@ -82,7 +79,6 @@ public class PersistFileSourcesStep implements ComputationStep {
     this.sourceLinesRepository = sourceLinesRepository;
     this.scmInfoRepository = scmInfoRepository;
     this.duplicationRepository = duplicationRepository;
-    this.analysisMetadataHolder = analysisMetadataHolder;
   }
 
   @Override
@@ -118,12 +114,8 @@ public class PersistFileSourcesStep implements ComputationStep {
 
     @Override
     public void visitFile(Component file) {
-      if (analysisMetadataHolder.isIncrementalAnalysis() && file.getStatus() == Status.SAME) {
-        return;
-      }
-
       try (CloseableIterator<String> linesIterator = sourceLinesRepository.readLines(file);
-           LineReaders lineReaders = new LineReaders(reportReader, scmInfoRepository, duplicationRepository, file)) {
+        LineReaders lineReaders = new LineReaders(reportReader, scmInfoRepository, duplicationRepository, file)) {
         ComputeFileSourceData computeFileSourceData = new ComputeFileSourceData(linesIterator, lineReaders.readers(), file.getFileAttributes().getLines());
         ComputeFileSourceData.Data fileSourceData = computeFileSourceData.compute();
         persistSource(fileSourceData, file.getUuid(), lineReaders.getLatestChange());
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/ReportComputationSteps.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/ReportComputationSteps.java
index 975422d8b26..8c150408609 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/ReportComputationSteps.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/ReportComputationSteps.java
@@ -42,9 +42,6 @@ public class ReportComputationSteps extends AbstractComputationSteps {
     ValidateProjectStep.class,
 
     LoadQualityProfilesStep.class,
-    
-    // copy data in the incremental mode
-    IncrementalMeasureTransitionStep.class,
 
     // load project related stuffs
     LoadQualityGateStep.class,
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/ValidateProjectStep.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/ValidateProjectStep.java
index 77417850dad..62cf283c8ec 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/ValidateProjectStep.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/step/ValidateProjectStep.java
@@ -19,17 +19,12 @@
  */
 package org.sonar.server.computation.task.projectanalysis.step;
 
-import static com.google.common.collect.FluentIterable.from;
-import static java.lang.String.format;
-import static org.sonar.api.utils.DateUtils.formatDateTime;
-
+import com.google.common.base.Joiner;
+import com.google.common.base.Optional;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 import java.util.Map;
-
-import javax.annotation.Nullable;
-
 import org.sonar.api.resources.Qualifiers;
 import org.sonar.api.resources.Scopes;
 import org.sonar.api.utils.MessageException;
@@ -47,11 +42,11 @@ import org.sonar.server.computation.task.projectanalysis.component.CrawlerDepthL
 import org.sonar.server.computation.task.projectanalysis.component.DepthTraversalTypeAwareCrawler;
 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolder;
 import org.sonar.server.computation.task.projectanalysis.component.TypeAwareVisitorAdapter;
-import org.sonar.server.computation.task.projectanalysis.validation.ValidateIncremental;
 import org.sonar.server.computation.task.step.ComputationStep;
 
-import com.google.common.base.Joiner;
-import com.google.common.base.Optional;
+import static com.google.common.collect.FluentIterable.from;
+import static java.lang.String.format;
+import static org.sonar.api.utils.DateUtils.formatDateTime;
 
 /**
  * Validate project and modules. It will fail in the following cases :
@@ -71,19 +66,13 @@ public class ValidateProjectStep implements ComputationStep {
   private final BatchReportReader reportReader;
   private final TreeRootHolder treeRootHolder;
   private final AnalysisMetadataHolder analysisMetadataHolder;
-  private final ValidateIncremental validateIncremental;
-
-  public ValidateProjectStep(DbClient dbClient, BatchReportReader reportReader, TreeRootHolder treeRootHolder, AnalysisMetadataHolder analysisMetadataHolder) {
-    this(dbClient, reportReader, treeRootHolder, analysisMetadataHolder, null);
-  }
 
   public ValidateProjectStep(DbClient dbClient, BatchReportReader reportReader, TreeRootHolder treeRootHolder,
-    AnalysisMetadataHolder analysisMetadataHolder, @Nullable ValidateIncremental validateIncremental) {
+    AnalysisMetadataHolder analysisMetadataHolder) {
     this.dbClient = dbClient;
     this.reportReader = reportReader;
     this.treeRootHolder = treeRootHolder;
     this.analysisMetadataHolder = analysisMetadataHolder;
-    this.validateIncremental = validateIncremental;
   }
 
   @Override
@@ -126,8 +115,6 @@ public class ValidateProjectStep implements ComputationStep {
     public void visitProject(Component rawProject) {
       this.rawProject = rawProject;
       String rawProjectKey = rawProject.getKey();
-      validateIncremental(rawProjectKey);
-      validateNotIncrementalAndFirstAnalysis(rawProjectKey);
       validateBatchKey(rawProject);
 
       Optional<ComponentDto> baseProject = loadBaseComponent(rawProjectKey);
@@ -146,25 +133,6 @@ public class ValidateProjectStep implements ComputationStep {
       }
     }
 
-    private void validateIncremental(String rawProjectKey) {
-      if (analysisMetadataHolder.isIncrementalAnalysis()) {
-        if (validateIncremental == null) {
-          validationMessages.add(format("Can't process an incremental analysis of the project \"%s\" because the incremental plugin is not loaded."
-            + " Please install the plugin or launch a full analysis of the project.", rawProjectKey));
-        } else if (!validateIncremental.execute()) {
-          validationMessages.add(format("The installation of the incremental plugin is invalid. Can't process the incremental analysis "
-            + "of the project \"%s\".", rawProjectKey));
-        }
-      }
-    }
-
-    private void validateNotIncrementalAndFirstAnalysis(String rawProjectKey) {
-      if (analysisMetadataHolder.isIncrementalAnalysis() && analysisMetadataHolder.isFirstAnalysis()) {
-        validationMessages.add(format("The project \"%s\" hasn't been analysed before and the first analysis can't be incremental."
-          + " Please launch a full analysis of the project.", rawProjectKey));
-      }
-    }
-
     private void validateProjectKey(Optional<ComponentDto> baseProject, String rawProjectKey) {
       if (baseProject.isPresent() && !baseProject.get().projectUuid().equals(baseProject.get().uuid())) {
         // Project key is already used as a module of another project
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/validation/ValidateIncremental.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/validation/ValidateIncremental.java
deleted file mode 100644
index ea022e82067..00000000000
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/validation/ValidateIncremental.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2017 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.server.computation.task.projectanalysis.validation;
-
-public interface ValidateIncremental {
-  boolean execute();
-}
diff --git a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/validation/package-info.java b/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/validation/package-info.java
deleted file mode 100644
index ad6b743f16a..00000000000
--- a/server/sonar-server/src/main/java/org/sonar/server/computation/task/projectanalysis/validation/package-info.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2017 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-@ParametersAreNonnullByDefault
-package org.sonar.server.computation.task.projectanalysis.validation;
-
-import javax.annotation.ParametersAreNonnullByDefault;
diff --git a/server/sonar-server/src/test/java/org/sonar/server/ce/ws/ActivityActionTest.java b/server/sonar-server/src/test/java/org/sonar/server/ce/ws/ActivityActionTest.java
index 85297de65b2..856ef29b1d6 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/ce/ws/ActivityActionTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/ce/ws/ActivityActionTest.java
@@ -68,7 +68,6 @@ import static org.sonar.db.ce.CeQueueDto.Status.IN_PROGRESS;
 import static org.sonar.db.ce.CeQueueDto.Status.PENDING;
 import static org.sonar.db.ce.CeTaskCharacteristicDto.BRANCH_KEY;
 import static org.sonar.db.ce.CeTaskCharacteristicDto.BRANCH_TYPE_KEY;
-import static org.sonar.db.ce.CeTaskCharacteristicDto.INCREMENTAL_KEY;
 import static org.sonar.db.component.BranchType.LONG;
 import static org.sonarqube.ws.client.ce.CeWsParameters.PARAM_COMPONENT_ID;
 import static org.sonarqube.ws.client.ce.CeWsParameters.PARAM_COMPONENT_QUERY;
@@ -116,7 +115,6 @@ public class ActivityActionTest {
     assertThat(task.hasAnalysisId()).isFalse();
     assertThat(task.getExecutionTimeMs()).isEqualTo(500L);
     assertThat(task.getLogs()).isFalse();
-    assertThat(task.getIncremental()).isFalse();
 
     task = activityResponse.getTasks(1);
     assertThat(task.getId()).isEqualTo("T1");
@@ -124,7 +122,6 @@ public class ActivityActionTest {
     assertThat(task.getComponentId()).isEqualTo(project1.uuid());
     assertThat(task.getLogs()).isFalse();
     assertThat(task.getOrganization()).isEqualTo(org1.getKey());
-    assertThat(task.getIncremental()).isFalse();
   }
 
   @Test
@@ -344,78 +341,6 @@ public class ActivityActionTest {
   }
 
   @Test
-  public void incremental_analysis_on_single_project() {
-    ComponentDto project = db.components().insertPrivateProject();
-    SnapshotDto incrementalAnalysis = db.components().insertSnapshot(project, s -> s.setIncremental(true));
-    CeActivityDto activity = insertActivity("T1", project, SUCCESS, incrementalAnalysis);
-    insertCharacteristic(activity, INCREMENTAL_KEY, "true");
-    userSession.logIn().addProjectPermission(UserRole.ADMIN, project);
-
-    ActivityResponse activityResponse = call(ws.newRequest()
-      .setParam(PARAM_COMPONENT_ID, project.uuid()));
-
-    assertThat(activityResponse.getTasksList())
-      .extracting(Task::getId, Task::getIncremental)
-      .containsExactlyInAnyOrder(tuple("T1", true));
-  }
-
-  @Test
-  public void incremental_analysis_on_search_text() {
-    ComponentDto project = db.components().insertPrivateProject();
-    SnapshotDto incrementalAnalysis = db.components().insertSnapshot(project, s -> s.setIncremental(true));
-    SnapshotDto standardAnalysis = db.components().insertSnapshot(project, s -> s.setIncremental(false));
-    CeActivityDto incrementalTask = insertActivity("T1", project, SUCCESS, incrementalAnalysis);
-    insertCharacteristic(incrementalTask, INCREMENTAL_KEY, "true");
-    insertActivity("T2", project, SUCCESS, standardAnalysis);
-    logInAsSystemAdministrator();
-
-    ActivityResponse activityResponse = call(ws.newRequest()
-      .setParam(PARAM_COMPONENT_QUERY, project.name()));
-
-    assertThat(activityResponse.getTasksList())
-      .extracting(Task::getId, Task::getIncremental)
-      .containsExactlyInAnyOrder(
-        tuple("T1", true),
-        tuple("T2", false));
-  }
-
-  @Test
-  public void incremental_analysis_on_search_uuid() {
-    ComponentDto project = db.components().insertPrivateProject();
-    SnapshotDto incrementalAnalysis = db.components().insertSnapshot(project, s -> s.setIncremental(true));
-    CeActivityDto activity = insertActivity("T1", project, SUCCESS, incrementalAnalysis);
-    insertCharacteristic(activity, INCREMENTAL_KEY, "true");
-    logInAsSystemAdministrator();
-
-    ActivityResponse activityResponse = call(ws.newRequest()
-      .setParam(PARAM_COMPONENT_QUERY, "T1"));
-
-    assertThat(activityResponse.getTasksList())
-      .extracting(Task::getId, Task::getIncremental)
-      .containsExactlyInAnyOrder(tuple("T1", true));
-  }
-
-  @Test
-  public void incremental_on_in_queue_analysis() {
-    ComponentDto project = db.components().insertPrivateProject();
-    CeQueueDto queue1 = insertQueue("T1", project, PENDING);
-    insertCharacteristic(queue1, INCREMENTAL_KEY, "true");
-    CeQueueDto queue2 = insertQueue("T2", project, IN_PROGRESS);
-    insertCharacteristic(queue2, INCREMENTAL_KEY, "true");
-    userSession.logIn().addProjectPermission(UserRole.ADMIN, project);
-
-    ActivityResponse activityResponse = call(ws.newRequest()
-      .setParam(PARAM_COMPONENT_ID, project.uuid())
-      .setParam("status", "PENDING,FAILED,IN_PROGRESS"));
-
-    assertThat(activityResponse.getTasksList())
-      .extracting(Task::getId, Task::getIncremental)
-      .containsExactlyInAnyOrder(
-        tuple("T1", true),
-        tuple("T2", true));
-  }
-
-  @Test
   public void long_living_branch_in_past_activity() {
     logInAsSystemAdministrator();
     ComponentDto project = db.components().insertMainBranch();
diff --git a/server/sonar-server/src/test/java/org/sonar/server/ce/ws/ComponentActionTest.java b/server/sonar-server/src/test/java/org/sonar/server/ce/ws/ComponentActionTest.java
index aabe69a6f3b..cf75d3afc54 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/ce/ws/ComponentActionTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/ce/ws/ComponentActionTest.java
@@ -51,7 +51,6 @@ import static org.sonar.db.ce.CeQueueDto.Status.IN_PROGRESS;
 import static org.sonar.db.ce.CeQueueDto.Status.PENDING;
 import static org.sonar.db.ce.CeTaskCharacteristicDto.BRANCH_KEY;
 import static org.sonar.db.ce.CeTaskCharacteristicDto.BRANCH_TYPE_KEY;
-import static org.sonar.db.ce.CeTaskCharacteristicDto.INCREMENTAL_KEY;
 import static org.sonar.db.component.BranchType.LONG;
 import static org.sonar.db.component.BranchType.SHORT;
 import static org.sonarqube.ws.client.ce.CeWsParameters.PARAM_COMPONENT;
@@ -110,7 +109,6 @@ public class ComponentActionTest {
       .extracting(WsCe.Task::getOrganization)
       .containsOnly(organization.getKey());
     assertThat(response.getCurrent().getOrganization()).isEqualTo(organization.getKey());
-    assertThat(response.getCurrent().getIncremental()).isFalse();
   }
 
   @Test
@@ -163,44 +161,6 @@ public class ComponentActionTest {
   }
 
   @Test
-  public void incremental_analysis_by_component_key() {
-    ComponentDto project = db.components().insertPrivateProject();
-    userSession.logIn().addProjectPermission(UserRole.USER, project);
-    SnapshotDto incrementalAnalysis = db.components().insertSnapshot(project, s -> s.setIncremental(true));
-    CeActivityDto activity = insertActivity("T1", project, SUCCESS, incrementalAnalysis);
-    insertCharacteristic(activity, INCREMENTAL_KEY, "true");
-
-    WsCe.ProjectResponse response = ws.newRequest()
-      .setParam(PARAM_COMPONENT, project.getKey())
-      .executeProtobuf(WsCe.ProjectResponse.class);
-
-    assertThat(response.getCurrent())
-      .extracting(WsCe.Task::getId, WsCe.Task::getIncremental)
-      .containsExactlyInAnyOrder("T1", true);
-  }
-
-  @Test
-  public void incremental_on_in_queue_analysis() {
-    OrganizationDto organization = db.organizations().insert();
-    ComponentDto project = db.components().insertPrivateProject(organization);
-    userSession.addProjectPermission(UserRole.USER, project);
-    CeQueueDto queue1 = insertQueue("T1", project, IN_PROGRESS);
-    insertCharacteristic(queue1, INCREMENTAL_KEY, "true");
-    CeQueueDto queue2 = insertQueue("T2", project, PENDING);
-    insertCharacteristic(queue2, INCREMENTAL_KEY, "true");
-
-    WsCe.ProjectResponse response = ws.newRequest()
-      .setParam(PARAM_COMPONENT, project.getKey())
-      .executeProtobuf(WsCe.ProjectResponse.class);
-
-    assertThat(response.getQueueList())
-      .extracting(WsCe.Task::getId, WsCe.Task::getIncremental)
-      .containsOnly(
-        tuple("T1", true),
-        tuple("T2", true));
-  }
-
-  @Test
   public void long_living_branch_in_activity() {
     ComponentDto project = db.components().insertMainBranch();
     userSession.addProjectPermission(UserRole.USER, project);
@@ -256,20 +216,17 @@ public class ComponentActionTest {
     CeQueueDto shortLivingBranchQueue = insertQueue("Short", project, PENDING);
     insertCharacteristic(shortLivingBranchQueue, BRANCH_KEY, shortLivingBranch.getBranch());
     insertCharacteristic(shortLivingBranchQueue, BRANCH_TYPE_KEY, SHORT.name());
-    CeQueueDto incrementalQueue = insertQueue("Incremental", project, PENDING);
-    insertCharacteristic(incrementalQueue, INCREMENTAL_KEY, "true");
 
     WsCe.ProjectResponse response = ws.newRequest()
       .setParam(PARAM_COMPONENT, longLivingBranch.getKey())
       .executeProtobuf(WsCe.ProjectResponse.class);
 
     assertThat(response.getQueueList())
-      .extracting(WsCe.Task::getId, WsCe.Task::getComponentKey, WsCe.Task::getBranch, WsCe.Task::getBranchType, WsCe.Task::getIncremental)
+      .extracting(WsCe.Task::getId, WsCe.Task::getComponentKey, WsCe.Task::getBranch, WsCe.Task::getBranchType)
       .containsOnly(
-        tuple("Main", project.getKey(), "", Common.BranchType.UNKNOWN_BRANCH_TYPE, false),
-        tuple("Long", longLivingBranch.getKey(), longLivingBranch.getBranch(), Common.BranchType.LONG, false),
-        tuple("Short", shortLivingBranch.getKey(), shortLivingBranch.getBranch(), Common.BranchType.SHORT, false),
-        tuple("Incremental", project.getKey(), "", Common.BranchType.UNKNOWN_BRANCH_TYPE, true));
+        tuple("Main", project.getKey(), "", Common.BranchType.UNKNOWN_BRANCH_TYPE),
+        tuple("Long", longLivingBranch.getKey(), longLivingBranch.getBranch(), Common.BranchType.LONG),
+        tuple("Short", shortLivingBranch.getKey(), shortLivingBranch.getBranch(), Common.BranchType.SHORT));
   }
 
   @Test
diff --git a/server/sonar-server/src/test/java/org/sonar/server/ce/ws/SubmitActionTest.java b/server/sonar-server/src/test/java/org/sonar/server/ce/ws/SubmitActionTest.java
index 4f08695fa3a..2e92ee646ef 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/ce/ws/SubmitActionTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/ce/ws/SubmitActionTest.java
@@ -19,20 +19,10 @@
  */
 package org.sonar.server.ce.ws;
 
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.entry;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyMapOf;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
 import java.io.ByteArrayInputStream;
 import java.io.InputStream;
 import java.util.Arrays;
 import java.util.Map;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
@@ -50,6 +40,15 @@ import org.sonar.test.JsonAssert;
 import org.sonarqube.ws.MediaTypes;
 import org.sonarqube.ws.WsCe;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.entry;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyMapOf;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
 public class SubmitActionTest {
 
   private static final CeTask A_CE_TASK = new CeTask.Builder()
@@ -97,7 +96,7 @@ public class SubmitActionTest {
     when(reportSubmitter.submit(eq(organizationKey), eq("my_project"), Matchers.isNull(String.class), eq("My Project"),
       anyMapOf(String.class, String.class), any(InputStream.class))).thenReturn(A_CE_TASK);
 
-    String[] characteristics = {"branch=branch1", "incremental=true", "key=value1=value2"};
+    String[] characteristics = {"branch=branch1", "key=value1=value2"};
     WsCe.SubmitResponse submitResponse = tester.newRequest()
       .setParam("projectKey", "my_project")
       .setParam("projectName", "My Project")
@@ -110,7 +109,7 @@ public class SubmitActionTest {
     verify(reportSubmitter).submit(eq(organizationKey), eq("my_project"), Matchers.isNull(String.class), eq("My Project"),
       map.capture(), any(InputStream.class));
 
-    assertThat(map.getValue()).containsOnly(entry("incremental", "true"), entry("branch", "branch1"), entry("key", "value1=value2"));
+    assertThat(map.getValue()).containsOnly(entry("branch", "branch1"), entry("key", "value1=value2"));
   }
 
   @Test
diff --git a/server/sonar-server/src/test/java/org/sonar/server/ce/ws/TaskActionTest.java b/server/sonar-server/src/test/java/org/sonar/server/ce/ws/TaskActionTest.java
index b2f66b0eff1..14d998d9231 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/ce/ws/TaskActionTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/ce/ws/TaskActionTest.java
@@ -100,7 +100,6 @@ public class TaskActionTest {
     assertThat(taskResponse.getTask().getComponentName()).isEqualTo(project.name());
     assertThat(taskResponse.getTask().hasExecutionTimeMs()).isFalse();
     assertThat(taskResponse.getTask().getLogs()).isFalse();
-    assertThat(taskResponse.getTask().getIncremental()).isFalse();
   }
 
   @Test
@@ -126,37 +125,6 @@ public class TaskActionTest {
   }
 
   @Test
-  public void incremental_on_queued_task() {
-    logInAsRoot();
-
-    ComponentDto project = db.components().insertPrivateProject();
-    CeQueueDto queueDto = createAndPersistQueueTask(project);
-    insertCharacteristic(queueDto, "incremental", "true");
-
-    WsCe.TaskResponse taskResponse = ws.newRequest()
-      .setParam("id", SOME_TASK_UUID)
-      .executeProtobuf(WsCe.TaskResponse.class);
-
-    assertThat(taskResponse.getTask().getIncremental()).isTrue();
-  }
-
-  @Test
-  public void incremental_on_archived_task() {
-    logInAsRoot();
-
-    ComponentDto project = db.components().insertPrivateProject();
-    db.components().insertSnapshot(project, s -> s.setIncremental(true));
-    CeActivityDto activity = createAndPersistArchivedTask(project);
-    insertCharacteristic(activity, "incremental", "true");
-
-    WsCe.TaskResponse taskResponse = ws.newRequest()
-      .setParam("id", SOME_TASK_UUID)
-      .executeProtobuf(WsCe.TaskResponse.class);
-
-    assertThat(taskResponse.getTask().getIncremental()).isTrue();
-  }
-
-  @Test
   public void long_living_branch_in_past_activity() {
     logInAsRoot();
     ComponentDto project = db.components().insertMainBranch();
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderImplTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderImplTest.java
index d27897d7523..998087518f3 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderImplTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderImplTest.java
@@ -215,52 +215,6 @@ public class AnalysisMetadataHolderImplTest {
   }
 
   @Test
-  public void setIsIncrementalAnalysis_throws_ISE_when_called_twice() {
-    AnalysisMetadataHolderImpl underTest = new AnalysisMetadataHolderImpl();
-    underTest.setIncrementalAnalysis(true);
-
-    expectedException.expect(IllegalStateException.class);
-    expectedException.expectMessage("Incremental analysis flag has already been set");
-    underTest.setIncrementalAnalysis(false);
-  }
-
-  @Test
-  public void isIncrementalAnalysis_return_true() {
-    AnalysisMetadataHolderImpl underTest = new AnalysisMetadataHolderImpl();
-
-    underTest.setIncrementalAnalysis(true);
-
-    assertThat(underTest.isIncrementalAnalysis()).isEqualTo(true);
-  }
-
-  @Test
-  public void isIncrementalAnalysis_return_false() {
-    AnalysisMetadataHolderImpl underTest = new AnalysisMetadataHolderImpl();
-
-    underTest.setIncrementalAnalysis(false);
-
-    assertThat(underTest.isIncrementalAnalysis()).isEqualTo(false);
-  }
-
-  @Test
-  public void isIncrementalAnalysisEnabled_throws_ISE_when_holder_is_not_initialized() {
-    expectedException.expect(IllegalStateException.class);
-    expectedException.expectMessage("Incremental analysis flag has not been set");
-
-    new AnalysisMetadataHolderImpl().isIncrementalAnalysis();
-  }
-
-  @Test
-  public void setIsIncrementalAnalys_throws_ISE_when_called_twice() {
-    AnalysisMetadataHolderImpl underTest = new AnalysisMetadataHolderImpl();
-    underTest.setIncrementalAnalysis(true);
-
-    expectedException.expect(IllegalStateException.class);
-    expectedException.expectMessage("Incremental analysis flag has already been set");
-    underTest.setIncrementalAnalysis(false);
-  }
-
-  @Test
   public void set_branch() {
     AnalysisMetadataHolderImpl underTest = new AnalysisMetadataHolderImpl();
 
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderRule.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderRule.java
index 8f310b30331..01b243ad582 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderRule.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/AnalysisMetadataHolderRule.java
@@ -42,8 +42,6 @@ public class AnalysisMetadataHolderRule extends ExternalResource implements Muta
 
   private final InitializedProperty<Long> analysisDate = new InitializedProperty<>();
 
-  private final InitializedProperty<Boolean> incremental = new InitializedProperty<>();
-
   private final InitializedProperty<Analysis> baseAnalysis = new InitializedProperty<>();
 
   private final InitializedProperty<Boolean> crossProjectDuplicationEnabled = new InitializedProperty<>();
@@ -205,18 +203,6 @@ public class AnalysisMetadataHolderRule extends ExternalResource implements Muta
   }
 
   @Override
-  public boolean isIncrementalAnalysis() {
-    checkState(incremental.isInitialized(), "Incremental mode flag has not been set");
-    return incremental.getProperty();
-  }
-
-  @Override
-  public AnalysisMetadataHolderRule setIncrementalAnalysis(boolean isIncrementalAnalysis) {
-    this.incremental.setProperty(isIncrementalAnalysis);
-    return this;
-  }
-
-  @Override
   public boolean isShortLivingBranch() {
     Branch property = this.branch.getProperty();
     return property != null && property.getType() == BranchType.SHORT;
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/MutableAnalysisMetadataHolderRule.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/MutableAnalysisMetadataHolderRule.java
index 32d7cdbe5c9..4d6a7124f6a 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/MutableAnalysisMetadataHolderRule.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/analysis/MutableAnalysisMetadataHolderRule.java
@@ -155,17 +155,6 @@ public class MutableAnalysisMetadataHolderRule extends ExternalResource implemen
   }
 
   @Override
-  public boolean isIncrementalAnalysis() {
-    return delegate.isIncrementalAnalysis();
-  }
-
-  @Override
-  public MutableAnalysisMetadataHolder setIncrementalAnalysis(boolean isIncrementalAnalysis) {
-    delegate.setIncrementalAnalysis(isIncrementalAnalysis);
-    return this;
-  }
-
-  @Override
   public boolean isShortLivingBranch() {
     return delegate.isShortLivingBranch();
   }
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/issue/IntegrateIssuesVisitorTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/issue/IntegrateIssuesVisitorTest.java
index 31039ddee50..2ad15bd7093 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/issue/IntegrateIssuesVisitorTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/issue/IntegrateIssuesVisitorTest.java
@@ -19,17 +19,8 @@
  */
 package org.sonar.server.computation.task.projectanalysis.issue;
 
-import static com.google.common.collect.Lists.newArrayList;
-import static java.util.Arrays.asList;
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-import static org.sonar.server.computation.task.projectanalysis.component.ReportComponent.builder;
-
+import com.google.common.base.Optional;
 import java.util.List;
-
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -55,7 +46,6 @@ import org.sonar.scanner.protocol.output.ScannerReport;
 import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolder;
 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReaderRule;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
-import org.sonar.server.computation.task.projectanalysis.component.Component.Status;
 import org.sonar.server.computation.task.projectanalysis.component.DefaultBranchImpl;
 import org.sonar.server.computation.task.projectanalysis.component.MergeBranchComponentUuids;
 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolderRule;
@@ -66,7 +56,14 @@ import org.sonar.server.computation.task.projectanalysis.issue.filter.IssueFilte
 import org.sonar.server.computation.task.projectanalysis.qualityprofile.ActiveRulesHolderRule;
 import org.sonar.server.computation.task.projectanalysis.source.SourceLinesRepositoryRule;
 
-import com.google.common.base.Optional;
+import static com.google.common.collect.Lists.newArrayList;
+import static java.util.Arrays.asList;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.sonar.server.computation.task.projectanalysis.component.ReportComponent.builder;
 
 public class IntegrateIssuesVisitorTest {
 
@@ -144,30 +141,8 @@ public class IntegrateIssuesVisitorTest {
     trackingDelegator = new IssueTrackingDelegator(shortBranchTracker, mergeBranchTracker, tracker, analysisMetadataHolder);
     treeRootHolder.setRoot(PROJECT);
     issueCache = new IssueCache(temp.newFile(), System2.INSTANCE);
-    when(analysisMetadataHolder.isIncrementalAnalysis()).thenReturn(false);
-    when(analysisMetadataHolder.getBranch()).thenReturn(java.util.Optional.of(new DefaultBranchImpl()));
     when(issueFilter.accept(any(DefaultIssue.class), eq(FILE))).thenReturn(true);
-    underTest = new IntegrateIssuesVisitor(issueCache, issueLifecycle, issueVisitors, issuesLoader, analysisMetadataHolder, trackingDelegator);
-  }
-
-  @Test
-  public void process_issues_on_incremental_mode() {
-    when(analysisMetadataHolder.isIncrementalAnalysis()).thenReturn(true);
-
-    Component file = builder(Component.Type.FILE, FILE_REF)
-      .setKey(FILE_KEY)
-      .setUuid(FILE_UUID)
-      .setStatus(Status.SAME)
-      .build();
-
-    addBaseIssue(RuleTesting.XOO_X1);
-
-    underTest.visitAny(file);
-
-    verify(issueLifecycle).doAutomaticTransition(defaultIssueCaptor.capture());
-    assertThat(defaultIssueCaptor.getValue().ruleKey().rule()).isEqualTo("x1");
-
-    assertThat(newArrayList(issueCache.traverse())).hasSize(1);
+    underTest = new IntegrateIssuesVisitor(issueCache, issueLifecycle, issueVisitors, trackingDelegator);
   }
 
   @Test
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/scm/ScmInfoDbLoaderTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/scm/ScmInfoDbLoaderTest.java
index dc1c6b98f56..22b950770fb 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/scm/ScmInfoDbLoaderTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/scm/ScmInfoDbLoaderTest.java
@@ -37,7 +37,6 @@ import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetada
 import org.sonar.server.computation.task.projectanalysis.analysis.Branch;
 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReaderRule;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
-import org.sonar.server.computation.task.projectanalysis.component.Component.Status;
 import org.sonar.server.computation.task.projectanalysis.component.MergeBranchComponentUuids;
 import org.sonar.server.computation.task.projectanalysis.scm.ScmInfoRepositoryImpl.NoScmInfo;
 import org.sonar.server.computation.task.projectanalysis.source.SourceHashRepositoryImpl;
@@ -77,25 +76,9 @@ public class ScmInfoDbLoaderTest {
   private ScmInfoDbLoader underTest = new ScmInfoDbLoader(analysisMetadataHolder, dbTester.getDbClient(), sourceHashRepository, mergeBranchComponentUuids);
 
   @Test
-  public void dont_check_hash_for_unmodified_files_incremental_analysis() {
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-    analysisMetadataHolder.setBranch(null);
-    analysisMetadataHolder.setBaseAnalysis(baseProjectAnalysis);
-
-    addFileSourceInDb("henry", DATE_1, "rev-1", computeSourceHash(1));
-
-    Component file = builder(Component.Type.FILE, FILE_REF).setKey("FILE_KEY").setUuid("FILE_UUID").setStatus(Status.SAME).build();
-    ScmInfo scmInfo = underTest.getScmInfoFromDb(file);
-    assertThat(scmInfo.getAllChangesets()).hasSize(1);
-
-    assertThat(logTester.logs(TRACE)).containsOnly("Reading SCM info from db for file 'FILE_UUID'");
-  }
-
-  @Test
   public void returns_ScmInfo_from_DB_if_hashes_are_the_same() throws Exception {
     analysisMetadataHolder.setBaseAnalysis(baseProjectAnalysis);
     analysisMetadataHolder.setBranch(null);
-    analysisMetadataHolder.setIncrementalAnalysis(false);
 
     addFileSourceInDb("henry", DATE_1, "rev-1", computeSourceHash(1));
     addFileSourceInReport(1);
@@ -110,7 +93,6 @@ public class ScmInfoDbLoaderTest {
   public void read_from_merge_branch_if_no_base() {
     analysisMetadataHolder.setBaseAnalysis(null);
     analysisMetadataHolder.setBranch(branch);
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     String mergeFileUuid = "mergeFileUuid";
 
     when(mergeBranchComponentUuids.getUuid(FILE.getKey())).thenReturn(mergeFileUuid);
@@ -126,7 +108,6 @@ public class ScmInfoDbLoaderTest {
   public void returns_absent_when_branch_and_source_is_different() {
     analysisMetadataHolder.setBaseAnalysis(null);
     analysisMetadataHolder.setBranch(branch);
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     String mergeFileUuid = "mergeFileUuid";
 
     when(mergeBranchComponentUuids.getUuid(FILE.getKey())).thenReturn(mergeFileUuid);
@@ -141,7 +122,6 @@ public class ScmInfoDbLoaderTest {
   public void returns_absent_when__hashes_are_not_the_same() throws Exception {
     analysisMetadataHolder.setBaseAnalysis(baseProjectAnalysis);
     analysisMetadataHolder.setBranch(null);
-    analysisMetadataHolder.setIncrementalAnalysis(false);
 
     addFileSourceInReport(1);
     addFileSourceInDb("henry", DATE_1, "rev-1", computeSourceHash(1) + "_different");
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/DuplicationMeasuresStepTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/DuplicationMeasuresStepTest.java
index 380c64ecbf9..b572835270e 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/DuplicationMeasuresStepTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/DuplicationMeasuresStepTest.java
@@ -19,49 +19,31 @@
  */
 package org.sonar.server.computation.task.projectanalysis.step;
 
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
-
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolderRule;
 import org.sonar.server.computation.task.projectanalysis.duplication.DuplicationMeasures;
-import org.sonar.server.computation.task.projectanalysis.duplication.IncrementalDuplicationMeasures;
 import org.sonar.server.computation.task.step.ComputationStep;
 
+import static org.mockito.Mockito.verify;
+
 public class DuplicationMeasuresStepTest extends BaseStepTest {
   @Mock
   private DuplicationMeasures defaultDuplicationMeasures;
-  @Mock
-  private IncrementalDuplicationMeasures incrementalDuplicationMeasures;
-  @Rule
-  public AnalysisMetadataHolderRule analysisMetadataHolder = new AnalysisMetadataHolderRule();
 
   private DuplicationMeasuresStep underTest;
 
   @Before
   public void before() {
     MockitoAnnotations.initMocks(this);
-    underTest = new DuplicationMeasuresStep(analysisMetadataHolder, defaultDuplicationMeasures, incrementalDuplicationMeasures);
-  }
-
-  @Test
-  public void incremental_analysis_mode() {
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-    underTest.execute();
-    verify(incrementalDuplicationMeasures).execute();
-    verifyZeroInteractions(defaultDuplicationMeasures);
+    underTest = new DuplicationMeasuresStep(defaultDuplicationMeasures);
   }
 
   @Test
   public void full_analysis_mode() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     underTest.execute();
     verify(defaultDuplicationMeasures).execute();
-    verifyZeroInteractions(incrementalDuplicationMeasures);
   }
 
   @Override
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/IncrementalMeasureTransitionStepTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/IncrementalMeasureTransitionStepTest.java
deleted file mode 100644
index 2afefb61595..00000000000
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/IncrementalMeasureTransitionStepTest.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * SonarQube
- * Copyright (C) 2009-2017 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-package org.sonar.server.computation.task.projectanalysis.step;
-
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-
-import org.junit.Rule;
-import org.junit.Test;
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolderRule;
-import org.sonar.server.computation.task.projectanalysis.measure.IncrementalMeasureTransition;
-import org.sonar.server.computation.task.step.ComputationStep;
-
-public class IncrementalMeasureTransitionStepTest extends BaseStepTest {
-  @Rule
-  public AnalysisMetadataHolderRule analysisMetadataHolder = new AnalysisMetadataHolderRule();
-
-  IncrementalMeasureTransitionStep underTest = new IncrementalMeasureTransitionStep(analysisMetadataHolder);
-
-  @Override
-  protected ComputationStep step() {
-    return underTest;
-  }
-
-  @Test
-  public void skip_if_not_incremental() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
-    underTest.execute();
-  }
-
-  @Test
-  public void execute_if_incremental() {
-    IncrementalMeasureTransition runnable = mock(IncrementalMeasureTransition.class);
-    IncrementalMeasureTransitionStep underTest = new IncrementalMeasureTransitionStep(analysisMetadataHolder, runnable);
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-
-    underTest.execute();
-    verify(runnable).run();
-  }
-
-}
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/LoadDuplicationsFromReportStepTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/LoadDuplicationsFromReportStepTest.java
index 98b4a8a0f03..cc3ddb7b382 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/LoadDuplicationsFromReportStepTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/LoadDuplicationsFromReportStepTest.java
@@ -24,10 +24,9 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
 import org.sonar.scanner.protocol.output.ScannerReport;
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolderRule;
 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReaderRule;
-import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolderRule;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
+import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolderRule;
 import org.sonar.server.computation.task.projectanalysis.component.VisitException;
 import org.sonar.server.computation.task.projectanalysis.duplication.DetailedTextBlock;
 import org.sonar.server.computation.task.projectanalysis.duplication.Duplicate;
@@ -55,47 +54,24 @@ public class LoadDuplicationsFromReportStepTest {
     builder(PROJECT, ROOT_REF)
       .addChildren(
         builder(FILE, FILE_1_REF).build(),
-        builder(FILE, FILE_2_REF).build()
-      )
-      .build()
-    );
+        builder(FILE, FILE_2_REF).build())
+      .build());
   @Rule
   public BatchReportReaderRule reportReader = new BatchReportReaderRule();
   @Rule
   public DuplicationRepositoryRule duplicationRepository = DuplicationRepositoryRule.create(treeRootHolder);
   @Rule
   public ExpectedException expectedException = ExpectedException.none();
-  @Rule
-  public AnalysisMetadataHolderRule analysisMetadataHolder = new AnalysisMetadataHolderRule();
 
-  private LoadDuplicationsFromReportStep underTest = new LoadDuplicationsFromReportStep(treeRootHolder, reportReader, duplicationRepository, analysisMetadataHolder);
+  private LoadDuplicationsFromReportStep underTest = new LoadDuplicationsFromReportStep(treeRootHolder, reportReader, duplicationRepository);
 
   @Test
   public void verify_description() {
     assertThat(underTest.getDescription()).isEqualTo("Load inner file and in project duplications");
   }
-  
-  @Test
-  public void skip_if_incremental_analysis() {
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-    reportReader.putDuplications(FILE_2_REF, createDuplication(singleLineTextRange(LINE), createInnerDuplicate(LINE + 1)));
-
-    underTest.execute();
-
-    assertNoDuplication(FILE_2_REF);
-  }
-
-  @Test
-  public void loads_no_duplications_if_reader_has_no_duplication() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
-    underTest.execute();
-
-    assertNoDuplication(FILE_1_REF);
-  }
 
   @Test
   public void loads_duplication_without_otherFileRef_as_inner_duplication() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     reportReader.putDuplications(FILE_2_REF, createDuplication(singleLineTextRange(LINE), createInnerDuplicate(LINE + 1)));
 
     underTest.execute();
@@ -106,7 +82,6 @@ public class LoadDuplicationsFromReportStepTest {
 
   @Test
   public void loads_duplication_with_otherFileRef_as_inProject_duplication() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     reportReader.putDuplications(FILE_1_REF, createDuplication(singleLineTextRange(LINE), createInProjectDuplicate(FILE_2_REF, LINE + 1)));
 
     underTest.execute();
@@ -117,7 +92,6 @@ public class LoadDuplicationsFromReportStepTest {
 
   @Test
   public void loads_multiple_duplications_with_multiple_duplicates() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     reportReader.putDuplications(
       FILE_2_REF,
       createDuplication(
@@ -128,8 +102,7 @@ public class LoadDuplicationsFromReportStepTest {
         createInProjectDuplicate(FILE_1_REF, OTHER_LINE)),
       createDuplication(
         singleLineTextRange(OTHER_LINE + 80),
-        createInnerDuplicate(LINE), createInnerDuplicate(LINE + 10))
-      );
+        createInnerDuplicate(LINE), createInnerDuplicate(LINE + 10)));
 
     underTest.execute();
 
@@ -141,18 +114,14 @@ public class LoadDuplicationsFromReportStepTest {
         new InProjectDuplicate(file1Component, singleLineTextBlock(LINE + 10))),
       duplication(
         singleLineDetailedTextBlock(2, OTHER_LINE),
-        new InProjectDuplicate(file1Component, singleLineTextBlock(OTHER_LINE))
-      ),
+        new InProjectDuplicate(file1Component, singleLineTextBlock(OTHER_LINE))),
       duplication(
         singleLineDetailedTextBlock(3, OTHER_LINE + 80),
-        new InnerDuplicate(singleLineTextBlock(LINE)), new InnerDuplicate(singleLineTextBlock(LINE + 10))
-      )
-      );
+        new InnerDuplicate(singleLineTextBlock(LINE)), new InnerDuplicate(singleLineTextBlock(LINE + 10))));
   }
 
   @Test
   public void loads_never_consider_originals_from_batch_on_same_lines_as_the_equals() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     reportReader.putDuplications(
       FILE_2_REF,
       createDuplication(
@@ -160,8 +129,7 @@ public class LoadDuplicationsFromReportStepTest {
         createInnerDuplicate(LINE + 1), createInnerDuplicate(LINE + 2), createInProjectDuplicate(FILE_1_REF, LINE + 2)),
       createDuplication(
         singleLineTextRange(LINE),
-        createInnerDuplicate(LINE + 2), createInnerDuplicate(LINE + 3), createInProjectDuplicate(FILE_1_REF, LINE + 2))
-      );
+        createInnerDuplicate(LINE + 2), createInnerDuplicate(LINE + 3), createInProjectDuplicate(FILE_1_REF, LINE + 2)));
 
     underTest.execute();
 
@@ -170,19 +138,15 @@ public class LoadDuplicationsFromReportStepTest {
       duplication(
         singleLineDetailedTextBlock(1, LINE),
         new InnerDuplicate(singleLineTextBlock(LINE + 1)), new InnerDuplicate(singleLineTextBlock(LINE + 2)),
-        new InProjectDuplicate(file1Component, singleLineTextBlock(LINE + 2))
-      ),
+        new InProjectDuplicate(file1Component, singleLineTextBlock(LINE + 2))),
       duplication(
         singleLineDetailedTextBlock(2, LINE),
         new InnerDuplicate(singleLineTextBlock(LINE + 2)), new InnerDuplicate(singleLineTextBlock(LINE + 3)),
-        new InProjectDuplicate(file1Component, singleLineTextBlock(LINE + 2))
-      )
-      );
+        new InProjectDuplicate(file1Component, singleLineTextBlock(LINE + 2))));
   }
 
   @Test
   public void loads_duplication_with_otherFileRef_throws_IAE_if_component_does_not_exist() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     int line = 2;
     reportReader.putDuplications(FILE_1_REF, createDuplication(singleLineTextRange(line), createInProjectDuplicate(666, line + 1)));
 
@@ -194,7 +158,6 @@ public class LoadDuplicationsFromReportStepTest {
 
   @Test
   public void loads_duplication_with_otherFileRef_throws_IAE_if_references_itself() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     int line = 2;
     reportReader.putDuplications(FILE_1_REF, createDuplication(singleLineTextRange(line), createInProjectDuplicate(FILE_1_REF, line + 1)));
 
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/LoadReportAnalysisMetadataHolderStepTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/LoadReportAnalysisMetadataHolderStepTest.java
index 49b273283a8..ba8bf417e1e 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/LoadReportAnalysisMetadataHolderStepTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/LoadReportAnalysisMetadataHolderStepTest.java
@@ -122,30 +122,6 @@ public class LoadReportAnalysisMetadataHolderStepTest {
   }
 
   @Test
-  public void set_incremental_analysis_to_true() {
-    reportReader.setMetadata(
-      newBatchReportBuilder()
-        .setIncremental(true)
-        .build());
-
-    underTest.execute();
-
-    assertThat(analysisMetadataHolder.isIncrementalAnalysis()).isTrue();
-  }
-
-  @Test
-  public void set_incremental_analysis_to_false() {
-    reportReader.setMetadata(
-      newBatchReportBuilder()
-        .setIncremental(false)
-        .build());
-
-    underTest.execute();
-
-    assertThat(analysisMetadataHolder.isIncrementalAnalysis()).isFalse();
-  }
-
-  @Test
   public void set_cross_project_duplication_to_false_when_nothing_in_the_report() {
     reportReader.setMetadata(
       newBatchReportBuilder()
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/PersistCrossProjectDuplicationIndexStepTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/PersistCrossProjectDuplicationIndexStepTest.java
index bbb35da5f17..5eb3e51d4a3 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/PersistCrossProjectDuplicationIndexStepTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/PersistCrossProjectDuplicationIndexStepTest.java
@@ -30,9 +30,7 @@ import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.sonar.api.utils.System2;
 import org.sonar.db.DbClient;
-import org.sonar.db.DbSession;
 import org.sonar.db.DbTester;
-import org.sonar.db.duplication.DuplicationUnitDto;
 import org.sonar.scanner.protocol.output.ScannerReport;
 import org.sonar.server.computation.task.projectanalysis.analysis.Analysis;
 import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolderRule;
@@ -95,40 +93,10 @@ public class PersistCrossProjectDuplicationIndexStepTest {
     when(baseAnalysis.getUuid()).thenReturn(BASE_ANALYSIS_UUID);
     analysisMetadataHolder.setUuid(ANALYSIS_UUID);
     analysisMetadataHolder.setBaseAnalysis(baseAnalysis);
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     underTest = new PersistCrossProjectDuplicationIndexStep(crossProjectDuplicationStatusHolder, dbClient, treeRootHolder, analysisMetadataHolder, reportReader);
   }
 
   @Test
-  public void copy_base_analysis_in_incremental_mode() {
-    when(crossProjectDuplicationStatusHolder.isEnabled()).thenReturn(true);
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-    DuplicationUnitDto dup = new DuplicationUnitDto();
-    dup.setAnalysisUuid(BASE_ANALYSIS_UUID);
-    dup.setComponentUuid(FILE_2_UUID);
-    dup.setEndLine(0);
-    dup.setHash("asd");
-    dup.setStartLine(0);
-    dup.setId(1);
-    dup.setIndexInFile(1);
-    try (DbSession session = dbTester.getSession()) {
-      dbClient.duplicationDao().insert(session, dup);
-      session.commit();
-    }
-    assertThat(dbTester.countRowsOfTable("duplications_index")).isEqualTo(1);
-    underTest.execute();
-
-    Map<String, Object> dto = dbTester.selectFirst("select HASH, START_LINE, END_LINE, INDEX_IN_FILE, COMPONENT_UUID, ANALYSIS_UUID "
-      + "from duplications_index where analysis_uuid = '" + ANALYSIS_UUID + "'");
-    assertThat(dto.get("HASH")).isEqualTo("asd");
-    assertThat(dto.get("START_LINE")).isEqualTo(0L);
-    assertThat(dto.get("END_LINE")).isEqualTo(0L);
-    assertThat(dto.get("INDEX_IN_FILE")).isEqualTo(0L);
-    assertThat(dto.get("COMPONENT_UUID")).isEqualTo(FILE_2.getUuid());
-    assertThat(dto.get("ANALYSIS_UUID")).isEqualTo(ANALYSIS_UUID);
-  }
-
-  @Test
   public void persist_cpd_text_block() throws Exception {
     when(crossProjectDuplicationStatusHolder.isEnabled()).thenReturn(true);
     reportReader.putDuplicationBlocks(FILE_1_REF, singletonList(CPD_TEXT_BLOCK));
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/PersistFileSourcesStepTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/PersistFileSourcesStepTest.java
index 33437bf9b65..83dddc8cf40 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/PersistFileSourcesStepTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/PersistFileSourcesStepTest.java
@@ -19,13 +19,7 @@
  */
 package org.sonar.server.computation.task.projectanalysis.step;
 
-import static com.google.common.collect.Lists.newArrayList;
-import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
 import java.util.Arrays;
-
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -40,10 +34,8 @@ import org.sonar.db.source.FileSourceDto.Type;
 import org.sonar.scanner.protocol.output.ScannerReport;
 import org.sonar.scanner.protocol.output.ScannerReport.Component.ComponentType;
 import org.sonar.scanner.protocol.output.ScannerReport.SyntaxHighlightingRule.HighlightingType;
-import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolderRule;
 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReaderRule;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
-import org.sonar.server.computation.task.projectanalysis.component.Component.Status;
 import org.sonar.server.computation.task.projectanalysis.component.FileAttributes;
 import org.sonar.server.computation.task.projectanalysis.component.ReportComponent;
 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolderRule;
@@ -57,6 +49,11 @@ import org.sonar.server.computation.task.projectanalysis.scm.ScmInfoRepositoryRu
 import org.sonar.server.computation.task.projectanalysis.source.SourceLinesRepositoryRule;
 import org.sonar.server.computation.task.step.ComputationStep;
 
+import static com.google.common.collect.Lists.newArrayList;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
 public class PersistFileSourcesStepTest extends BaseStepTest {
 
   private static final int FILE1_REF = 3;
@@ -84,8 +81,6 @@ public class PersistFileSourcesStepTest extends BaseStepTest {
   public SourceLinesRepositoryRule fileSourceRepository = new SourceLinesRepositoryRule();
   @Rule
   public DuplicationRepositoryRule duplicationRepository = DuplicationRepositoryRule.create(treeRootHolder);
-  @Rule
-  public AnalysisMetadataHolderRule analysisMetadataHolder = new AnalysisMetadataHolderRule().setIncrementalAnalysis(false);
 
   private DbClient dbClient = dbTester.getDbClient();
   private DbSession session = dbTester.getSession();
@@ -96,7 +91,7 @@ public class PersistFileSourcesStepTest extends BaseStepTest {
   public void setup() {
     when(system2.now()).thenReturn(NOW);
     underTest = new PersistFileSourcesStep(dbClient, system2, treeRootHolder, reportReader, fileSourceRepository, scmInfoRepository,
-      duplicationRepository, analysisMetadataHolder);
+      duplicationRepository);
   }
 
   @Override
@@ -129,15 +124,6 @@ public class PersistFileSourcesStepTest extends BaseStepTest {
   }
 
   @Test
-  public void dont_persist_unchanged_sources_if_incremental() {
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-    initIncrementalReport(2);
-
-    underTest.execute();
-    assertThat(dbTester.countRowsOfTable("file_sources")).isEqualTo(1);
-  }
-
-  @Test
   public void persist_source_hashes() {
     initBasicReport(2);
 
@@ -473,58 +459,6 @@ public class PersistFileSourcesStepTest extends BaseStepTest {
     assertThat(fileSourceDto.getRevision()).isNull();
   }
 
-  private void initIncrementalReport(int numberOfLines) {
-    treeRootHolder.setRoot(ReportComponent
-      .builder(Component.Type.PROJECT, 1)
-      .setUuid(PROJECT_UUID)
-      .setKey(PROJECT_KEY)
-      .addChildren(
-        ReportComponent
-          .builder(Component.Type.MODULE, 2)
-          .setUuid("MODULE")
-          .setKey("MODULE_KEY")
-          .addChildren(
-            ReportComponent
-              .builder(Component.Type.FILE, FILE1_REF)
-              .setUuid(FILE1_UUID)
-              .setKey("MODULE_KEY:src/Foo.java")
-              .setFileAttributes(new FileAttributes(false, null, numberOfLines))
-              .setStatus(Status.CHANGED)
-              .build())
-          .build(),
-        ReportComponent
-          .builder(Component.Type.FILE, FILE2_REF)
-          .setUuid(FILE2_UUID)
-          .setKey("MODULE_KEY:src/Foo2.java")
-          .setStatus(Status.SAME).build())
-      .build());
-
-    reportReader.putComponent(ScannerReport.Component.newBuilder()
-      .setRef(1)
-      .setType(ComponentType.PROJECT)
-      .addChildRef(2)
-      .build());
-    reportReader.putComponent(ScannerReport.Component.newBuilder()
-      .setRef(2)
-      .setType(ComponentType.MODULE)
-      .addChildRef(FILE1_REF)
-      .build());
-    reportReader.putComponent(ScannerReport.Component.newBuilder()
-      .setRef(FILE1_REF)
-      .setType(ComponentType.FILE)
-      .setLines(numberOfLines)
-      .build());
-    reportReader.putComponent(ScannerReport.Component.newBuilder()
-      .setRef(FILE2_REF)
-      .setType(ComponentType.FILE)
-      .setLines(numberOfLines)
-      .build());
-
-    for (int i = 1; i <= numberOfLines; i++) {
-      fileSourceRepository.addLine(FILE1_REF, "line" + i);
-    }
-  }
-
   private void initBasicReport(int numberOfLines) {
     treeRootHolder.setRoot(ReportComponent.builder(Component.Type.PROJECT, 1).setUuid(PROJECT_UUID).setKey(PROJECT_KEY).addChildren(
       ReportComponent.builder(Component.Type.MODULE, 2).setUuid("MODULE").setKey("MODULE_KEY").addChildren(
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/ReportPersistAnalysisStepTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/ReportPersistAnalysisStepTest.java
index a892fc57f9d..40fbf42f133 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/ReportPersistAnalysisStepTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/ReportPersistAnalysisStepTest.java
@@ -98,7 +98,6 @@ public class ReportPersistAnalysisStepTest extends BaseStepTest {
 
   @Test
   public void persist_analysis() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     OrganizationDto organizationDto = dbTester.organizations().insert();
     ComponentDto projectDto = ComponentTesting.newPrivateProjectDto(organizationDto, "ABCD").setDbKey(PROJECT_KEY).setName("Project");
     dbClient.componentDao().insert(dbTester.getSession(), projectDto);
@@ -133,7 +132,6 @@ public class ReportPersistAnalysisStepTest extends BaseStepTest {
     assertThat(projectSnapshot.getStatus()).isEqualTo("U");
     assertThat(projectSnapshot.getCreatedAt()).isEqualTo(analysisDate);
     assertThat(projectSnapshot.getBuildDate()).isEqualTo(now);
-    assertThat(projectSnapshot.getIncremental()).isFalse();
 
     assertThat(dbIdsRepository.getComponentId(module)).isEqualTo(moduleDto.getId());
     assertThat(dbIdsRepository.getComponentId(directory)).isEqualTo(directoryDto.getId());
@@ -142,7 +140,6 @@ public class ReportPersistAnalysisStepTest extends BaseStepTest {
 
   @Test
   public void persist_snapshots_with_leak_period() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     OrganizationDto organizationDto = dbTester.organizations().insert();
     ComponentDto projectDto = ComponentTesting.newPrivateProjectDto(organizationDto, "ABCD").setDbKey(PROJECT_KEY).setName("Project");
     dbClient.componentDao().insert(dbTester.getSession(), projectDto);
@@ -165,7 +162,6 @@ public class ReportPersistAnalysisStepTest extends BaseStepTest {
 
   @Test
   public void only_persist_snapshots_with_leak_period_on_project_and_module() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     periodsHolder.setPeriod(new Period(LEAK_PERIOD_MODE_PREVIOUS_ANALYSIS, null, analysisDate, "u1"));
 
     OrganizationDto organizationDto = dbTester.organizations().insert();
@@ -204,7 +200,6 @@ public class ReportPersistAnalysisStepTest extends BaseStepTest {
 
   @Test
   public void set_no_period_on_snapshots_when_no_period() {
-    analysisMetadataHolder.setIncrementalAnalysis(false);
     ComponentDto projectDto = ComponentTesting.newPrivateProjectDto(dbTester.organizations().insert(), "ABCD").setDbKey(PROJECT_KEY).setName("Project");
     dbClient.componentDao().insert(dbTester.getSession(), projectDto);
     SnapshotDto snapshotDto = SnapshotTesting.newAnalysis(projectDto);
diff --git a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/ValidateProjectStepTest.java b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/ValidateProjectStepTest.java
index e4ae60c52f0..1c175d0d7d1 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/ValidateProjectStepTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/computation/task/projectanalysis/step/ValidateProjectStepTest.java
@@ -19,11 +19,7 @@
  */
 package org.sonar.server.computation.task.projectanalysis.step;
 
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
 import java.util.Date;
-
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
@@ -38,15 +34,13 @@ import org.sonar.db.component.SnapshotTesting;
 import org.sonar.db.organization.OrganizationDto;
 import org.sonar.scanner.protocol.output.ScannerReport;
 import org.sonar.scanner.protocol.output.ScannerReport.Component.ComponentType;
-import org.sonar.server.computation.task.projectanalysis.analysis.Analysis;
 import org.sonar.server.computation.task.projectanalysis.analysis.AnalysisMetadataHolderRule;
 import org.sonar.server.computation.task.projectanalysis.analysis.Branch;
-import org.sonar.server.computation.task.projectanalysis.component.DefaultBranchImpl;
 import org.sonar.server.computation.task.projectanalysis.batch.BatchReportReaderRule;
 import org.sonar.server.computation.task.projectanalysis.component.Component;
+import org.sonar.server.computation.task.projectanalysis.component.DefaultBranchImpl;
 import org.sonar.server.computation.task.projectanalysis.component.ReportComponent;
 import org.sonar.server.computation.task.projectanalysis.component.TreeRootHolderRule;
-import org.sonar.server.computation.task.projectanalysis.validation.ValidateIncremental;
 
 public class ValidateProjectStepTest {
 
@@ -70,14 +64,11 @@ public class ValidateProjectStepTest {
   @Rule
   public AnalysisMetadataHolderRule analysisMetadataHolder = new AnalysisMetadataHolderRule()
     .setAnalysisDate(new Date(DEFAULT_ANALYSIS_TIME))
-    .setIncrementalAnalysis(false)
     .setBranch(DEFAULT_BRANCH);
 
-  public ValidateIncremental validateIncremental = mock(ValidateIncremental.class);
-
   DbClient dbClient = dbTester.getDbClient();
 
-  ValidateProjectStep underTest = new ValidateProjectStep(dbClient, reportReader, treeRootHolder, analysisMetadataHolder, validateIncremental);
+  ValidateProjectStep underTest = new ValidateProjectStep(dbClient, reportReader, treeRootHolder, analysisMetadataHolder);
 
   @Test
   public void fail_if_root_component_is_not_a_project_in_db() {
@@ -272,71 +263,4 @@ public class ValidateProjectStepTest {
     underTest.execute();
   }
 
-  @Test
-  public void fail_if_incremental_plugin_not_found() {
-    ValidateProjectStep underTest = new ValidateProjectStep(dbClient, reportReader, treeRootHolder, analysisMetadataHolder, null);
-
-    when(validateIncremental.execute()).thenReturn(false);
-    analysisMetadataHolder.setBaseAnalysis(new Analysis.Builder().setId(1).setUuid("base").setCreatedAt(DEFAULT_ANALYSIS_TIME).build());
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-
-    reportReader.putComponent(ScannerReport.Component.newBuilder()
-      .setRef(1)
-      .setType(ComponentType.PROJECT)
-      .setKey(PROJECT_KEY)
-      .addChildRef(2)
-      .build());
-
-    treeRootHolder.setRoot(ReportComponent.builder(Component.Type.PROJECT, 1).setUuid("ABCD").setKey(PROJECT_KEY).build());
-
-    thrown.expect(MessageException.class);
-    thrown.expectMessage("Validation of project failed:");
-    thrown.expectMessage("Can't process an incremental analysis of the project \"PROJECT_KEY\" because the incremental plugin is not loaded");
-
-    underTest.execute();
-  }
-
-  @Test
-  public void fail_if_incremental_validation_fails() {
-    when(validateIncremental.execute()).thenReturn(false);
-    analysisMetadataHolder.setBaseAnalysis(new Analysis.Builder().setId(1).setUuid("base").setCreatedAt(DEFAULT_ANALYSIS_TIME).build());
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-
-    reportReader.putComponent(ScannerReport.Component.newBuilder()
-      .setRef(1)
-      .setType(ComponentType.PROJECT)
-      .setKey(PROJECT_KEY)
-      .addChildRef(2)
-      .build());
-
-    treeRootHolder.setRoot(ReportComponent.builder(Component.Type.PROJECT, 1).setUuid("ABCD").setKey(PROJECT_KEY).build());
-
-    thrown.expect(MessageException.class);
-    thrown.expectMessage("Validation of project failed:");
-    thrown.expectMessage("The installation of the incremental plugin is invalid");
-
-    underTest.execute();
-  }
-
-  @Test
-  public void fail_if_incremental_and_first_analysis() {
-    when(validateIncremental.execute()).thenReturn(true);
-    analysisMetadataHolder.setBaseAnalysis(null);
-    analysisMetadataHolder.setIncrementalAnalysis(true);
-
-    reportReader.putComponent(ScannerReport.Component.newBuilder()
-      .setRef(1)
-      .setType(ComponentType.PROJECT)
-      .setKey(PROJECT_KEY)
-      .addChildRef(2)
-      .build());
-
-    treeRootHolder.setRoot(ReportComponent.builder(Component.Type.PROJECT, 1).setUuid("ABCD").setKey(PROJECT_KEY).build());
-
-    thrown.expect(MessageException.class);
-    thrown.expectMessage("Validation of project failed:");
-    thrown.expectMessage("hasn't been analysed before and the first analysis can't be incremental. Please launch a full analysis of the project.");
-
-    underTest.execute();
-  }
-}
\ No newline at end of file
+}