src/java.desktop/macosx/classes/sun/lwawt/LWButtonPeer.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2018, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -79,16 +79,10 @@
     }
 
     @SuppressWarnings("serial")// Safe: outer class is non-serializable.
     private final class JButtonDelegate extends JButton {
 
-        // Empty non private constructor was added because access to this
-        // class shouldn't be emulated by a synthetic accessor method.
-        JButtonDelegate() {
-            super();
-        }
-
         @Override
         public boolean hasFocus() {
             return getTarget().hasFocus();
         }
     }