--- old/src/share/classes/javax/swing/SwingWorker.java	2014-03-13 18:43:30.000000000 -0700
+++ new/src/share/classes/javax/swing/SwingWorker.java	2014-03-13 18:43:30.000000000 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 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
@@ -843,6 +843,7 @@
         }
     }
 
+    @SuppressWarnings("serial") // JDK-implementation class
     private class SwingWorkerPropertyChangeSupport
             extends PropertyChangeSupport {
         SwingWorkerPropertyChangeSupport(Object source) {