diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/notedb/AbstractChangeUpdate.java b/gerrit-server/src/main/java/com/google/gerrit/server/notedb/AbstractChangeUpdate.java
index 636f24cfcc..0d637f5343 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/notedb/AbstractChangeUpdate.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/notedb/AbstractChangeUpdate.java
@@ -136,6 +136,11 @@ public abstract class AbstractChangeUpdate extends VersionedMetaData {
     };
   }
 
+  @Override
+  public RevCommit commit(MetaDataUpdate md) throws IOException {
+    throw new UnsupportedOperationException("use commit()");
+  }
+
   @Override
   protected void onLoad() throws IOException, ConfigInvalidException {
     //Do nothing; just reads the current revision.
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/notedb/ChangeUpdate.java b/gerrit-server/src/main/java/com/google/gerrit/server/notedb/ChangeUpdate.java
index b1ae5ad383..be3a44d77a 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/notedb/ChangeUpdate.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/notedb/ChangeUpdate.java
@@ -232,11 +232,6 @@ public class ChangeUpdate extends AbstractChangeUpdate {
     return noteMap.writeTree(inserter);
   }
 
-  @Override
-  public RevCommit commit(MetaDataUpdate md) throws IOException {
-    throw new UnsupportedOperationException("use commit()");
-  }
-
   public RevCommit commit() throws IOException {
     BatchMetaDataUpdate batch = openUpdate();
     try {