--- a/jdk/src/share/classes/javax/swing/JMenuItem.java	Tue Dec 13 17:30:21 2011 +0400
+++ b/jdk/src/share/classes/javax/swing/JMenuItem.java	Tue Dec 13 18:38:39 2011 +0400
@@ -87,6 +87,7 @@
  * @see JCheckBoxMenuItem
  * @see JRadioButtonMenuItem
  */
+@SuppressWarnings("serial")
 public class JMenuItem extends AbstractButton implements Accessible,MenuElement  {
 
     /**
@@ -829,6 +830,7 @@
      * has been added to the <code>java.beans</code> package.
      * Please see {@link java.beans.XMLEncoder}.
      */
+    @SuppressWarnings("serial")
     protected class AccessibleJMenuItem extends AccessibleAbstractButton implements ChangeListener {
 
         private boolean isArmed = false;