diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ArchiveCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ArchiveCommandTest.java
index 411eab3e7..3a4ea8e73 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ArchiveCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ArchiveCommandTest.java
@@ -254,7 +254,7 @@ private void archiveHeadAllFiles(String fmt) throws Exception {
 		}
 	}
 
-	@SuppressWarnings({ "serial", "boxing" })
+	@SuppressWarnings({ "boxing" })
 	private void archiveHeadAllFilesWithCompression(String fmt) throws Exception {
 		try (Git git = new Git(db)) {
 			createLargeTestContent(git);