--- old/src/share/classes/javax/swing/plaf/metal/MetalComboBoxButton.java	2014-01-23 22:45:27.000000000 -0800
+++ new/src/share/classes/javax/swing/plaf/metal/MetalComboBoxButton.java	2014-01-23 22:45:26.000000000 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 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
@@ -48,6 +48,7 @@
  * @see MetalComboBoxButton
  * @author Tom Santos
  */
+@SuppressWarnings("serial") // Same-version serialization only
 public class MetalComboBoxButton extends JButton {
     protected JComboBox comboBox;
     protected JList listBox;