--- old/src/java.desktop/share/classes/sun/swing/AccumulativeRunnable.java	2017-11-07 08:18:00.124052511 -0800
+++ new/src/java.desktop/share/classes/sun/swing/AccumulativeRunnable.java	2017-11-07 08:17:59.964052506 -0800
@@ -152,7 +152,7 @@
      *
      * @return accumulated arguments
      */
-    private final synchronized List<T> flush() {
+    private synchronized List<T> flush() {
         List<T> list = arguments;
         arguments = null;
         return list;