3 files changed, 7 insertions, 7 deletions
diff --git a/modules/log/event_format.go b/modules/log/event_format.go
index c23b3b411b..4cf471d223 100644
--- a/modules/log/event_format.go
+++ b/modules/log/event_format.go
@@ -212,7 +212,7 @@ func EventFormatTextMessage(mode *WriterMode, event *Event, msgFormat string, ms
 			}
 		}
 		if hasColorValue {
-			msg = []byte(fmt.Sprintf(msgFormat, msgArgs...))
+			msg = fmt.Appendf(nil, msgFormat, msgArgs...)
 		}
 	}
 	// try to re-use the pre-formatted simple text message
@@ -243,8 +243,8 @@ func EventFormatTextMessage(mode *WriterMode, event *Event, msgFormat string, ms
 	buf = append(buf, msg...)
 
 	if event.Stacktrace != "" && mode.StacktraceLevel <= event.Level {
-		lines := bytes.Split([]byte(event.Stacktrace), []byte("\n"))
-		for _, line := range lines {
+		lines := bytes.SplitSeq([]byte(event.Stacktrace), []byte("\n"))
+		for line := range lines {
 			buf = append(buf, "\n\t"...)
 			buf = append(buf, line...)
 		}
diff --git a/modules/log/flags.go b/modules/log/flags.go
index 8064c91745..f409261150 100644
--- a/modules/log/flags.go
+++ b/modules/log/flags.go
@@ -123,7 +123,7 @@ func FlagsFromString(from string, def ...uint32) Flags {
 		return Flags{defined: true, flags: def[0]}
 	}
 	flags := uint32(0)
-	for _, flag := range strings.Split(strings.ToLower(from), ",") {
+	for flag := range strings.SplitSeq(strings.ToLower(from), ",") {
 		flags |= flagFromString[strings.TrimSpace(flag)]
 	}
 	return Flags{defined: true, flags: flags}
diff --git a/modules/log/level_test.go b/modules/log/level_test.go
index cd18a807d8..0e59af6cb7 100644
--- a/modules/log/level_test.go
+++ b/modules/log/level_test.go
@@ -32,11 +32,11 @@ func TestLevelMarshalUnmarshalJSON(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, INFO, testLevel.Level)
 
-	err = json.Unmarshal([]byte(fmt.Sprintf(`{"level":%d}`, 2)), &testLevel)
+	err = json.Unmarshal(fmt.Appendf(nil, `{"level":%d}`, 2), &testLevel)
 	assert.NoError(t, err)
 	assert.Equal(t, INFO, testLevel.Level)
 
-	err = json.Unmarshal([]byte(fmt.Sprintf(`{"level":%d}`, 10012)), &testLevel)
+	err = json.Unmarshal(fmt.Appendf(nil, `{"level":%d}`, 10012), &testLevel)
 	assert.NoError(t, err)
 	assert.Equal(t, INFO, testLevel.Level)
 
@@ -51,5 +51,5 @@ func TestLevelMarshalUnmarshalJSON(t *testing.T) {
 }
 
 func makeTestLevelBytes(level string) []byte {
-	return []byte(fmt.Sprintf(`{"level":"%s"}`, level))
+	return fmt.Appendf(nil, `{"level":"%s"}`, level)
 }