--- old/src/share/classes/javax/swing/colorchooser/DiagramComponent.java	2014-02-18 18:21:12.000000000 -0800
+++ new/src/share/classes/javax/swing/colorchooser/DiagramComponent.java	2014-02-18 18:21:12.000000000 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 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
@@ -34,6 +34,7 @@
 import java.awt.image.BufferedImage;
 import javax.swing.JComponent;
 
+@SuppressWarnings("serial") // Superclass is not serializable across versions
 final class DiagramComponent extends JComponent implements MouseListener, MouseMotionListener {
 
     private final ColorPanel panel;