diff --git a/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitInitTask.java b/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitInitTask.java
index efdab42aa..91e57c0d6 100644
--- a/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitInitTask.java
+++ b/org.eclipse.jgit.ant/src/org/eclipse/jgit/ant/tasks/GitInitTask.java
@@ -48,7 +48,6 @@
 import org.apache.tools.ant.Task;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.InitCommand;
-import org.eclipse.jgit.api.errors.JGitInternalException;
 
 /**
  * Create an empty git repository.
diff --git a/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/RecordingLogger.java b/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/RecordingLogger.java
index ba7ee9782..0accfc8b6 100644
--- a/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/RecordingLogger.java
+++ b/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/RecordingLogger.java
@@ -184,7 +184,6 @@ public void debug(Throwable thrown) {
 		// Ignore (not relevant to test failures)
 	}
 
-	@SuppressWarnings("unused")
 	public void ignore(Throwable arg0) {
 		// Ignore (not relevant to test failures)
 	}
diff --git a/org.eclipse.jgit.storage.dht/src/org/eclipse/jgit/storage/dht/ChunkIndex.java b/org.eclipse.jgit.storage.dht/src/org/eclipse/jgit/storage/dht/ChunkIndex.java
index 91a2d0efc..89029c0cc 100644
--- a/org.eclipse.jgit.storage.dht/src/org/eclipse/jgit/storage/dht/ChunkIndex.java
+++ b/org.eclipse.jgit.storage.dht/src/org/eclipse/jgit/storage/dht/ChunkIndex.java
@@ -204,7 +204,6 @@ private static int selectOffsetFormat(List<? extends PackedObjectInfo> list) {
 		return fmt;
 	}
 
-	@SuppressWarnings("unchecked")
 	private static void sortObjectList(List<? extends PackedObjectInfo> list) {
 		Collections.sort(list);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/dfs/DfsInserter.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/dfs/DfsInserter.java
index 335e284e2..0e02e00bc 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/dfs/DfsInserter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/dfs/DfsInserter.java
@@ -231,7 +231,6 @@ private void beginPack() throws IOException {
 		packOut.write(buf, 0, 12);
 	}
 
-	@SuppressWarnings("unchecked")
 	private void sortObjectsById() {
 		Collections.sort(objectList);
 	}