--- old/src/share/classes/javax/swing/plaf/basic/BasicComboBoxEditor.java	2014-03-13 18:43:40.000000000 -0700
+++ new/src/share/classes/javax/swing/plaf/basic/BasicComboBoxEditor.java	2014-03-13 18:43:40.000000000 -0700
@@ -129,6 +129,7 @@
         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);