2 files changed, 2 insertions, 12 deletions
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/branch/ProjectBranches.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/branch/ProjectBranches.java
index 05aa97c274f..4398c3dc3a8 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/branch/ProjectBranches.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/branch/ProjectBranches.java
@@ -23,7 +23,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import javax.annotation.CheckForNull;
-import javax.annotation.Nullable;
 import javax.annotation.concurrent.Immutable;
 
 /**
@@ -31,10 +30,7 @@ import javax.annotation.concurrent.Immutable;
  */
 @Immutable
 public class ProjectBranches {
-
   private final Map<String, BranchInfo> branches;
-
-  @Nullable
   private final String defaultBranchName;
 
   public ProjectBranches(List<BranchInfo> branchInfos) {
@@ -59,7 +55,6 @@ public class ProjectBranches {
     return branches.isEmpty();
   }
 
-  @CheckForNull
   public String defaultBranchName() {
     return defaultBranchName;
   }
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/branch/ProjectPullRequests.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/branch/ProjectPullRequests.java
index 9c3feab2c22..93132a99b65 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/branch/ProjectPullRequests.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/scan/branch/ProjectPullRequests.java
@@ -32,16 +32,11 @@ import javax.annotation.concurrent.Immutable;
  */
 @Immutable
 public class ProjectPullRequests {
-
+  private static final BinaryOperator<PullRequestInfo> PICK_MOST_RECENT_ANALYSIS = (a, b) -> a.getAnalysisDate() < b.getAnalysisDate() ? b : a;
   private final Map<String, PullRequestInfo> pullRequestsByBranchName;
 
   public ProjectPullRequests(List<PullRequestInfo> pullRequestInfos) {
-    BinaryOperator<PullRequestInfo> mergeFunction = pickMostRecentAnalysis();
-    this.pullRequestsByBranchName = pullRequestInfos.stream().collect(Collectors.toMap(PullRequestInfo::getBranch, Function.identity(), mergeFunction));
-  }
-
-  private static BinaryOperator<PullRequestInfo> pickMostRecentAnalysis() {
-    return (a, b) -> a.getAnalysisDate() < b.getAnalysisDate() ? b : a;
+    this.pullRequestsByBranchName = pullRequestInfos.stream().collect(Collectors.toMap(PullRequestInfo::getBranch, Function.identity(), PICK_MOST_RECENT_ANALYSIS));
   }
 
   @CheckForNull