diff -r 8f0344f13b7f -r 7f8ce0c8c20a jdk/src/share/classes/javax/swing/tree/DefaultTreeModel.java
--- a/jdk/src/share/classes/javax/swing/tree/DefaultTreeModel.java	Fri Jan 24 13:54:16 2014 +0000
+++ b/jdk/src/share/classes/javax/swing/tree/DefaultTreeModel.java	Fri Jan 24 07:16:53 2014 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -49,6 +49,7 @@
  * @author Ray Ryan
  * @author Scott Violet
  */
+@SuppressWarnings("serial") // Same-version serialization only
 public class DefaultTreeModel implements Serializable, TreeModel {
     /** Root of the tree. */
     protected TreeNode root;