--- a/jdk/src/share/classes/javax/swing/plaf/basic/BasicComboBoxEditor.java	Fri Mar 21 11:33:52 2014 -0700
+++ b/jdk/src/share/classes/javax/swing/plaf/basic/BasicComboBoxEditor.java	Sun Mar 23 13:49:48 2014 -0700
@@ -131,6 +131,7 @@
         editor.removeActionListener(l);
     }
 
+    @SuppressWarnings("serial") // Superclass is not serializable across versions
     static class BorderlessTextField extends JTextField {
         public BorderlessTextField(String value,int n) {
             super(value,n);