--- old/src/share/vm/gc/shared/collectedHeap.hpp	2016-08-08 20:25:22.971528816 -0400
+++ new/src/share/vm/gc/shared/collectedHeap.hpp	2016-08-08 20:25:22.871528320 -0400
@@ -441,12 +441,6 @@
   // remembered set.
   virtual void flush_deferred_store_barrier(JavaThread* thread);
 
-  // Should return true if the reference pending list lock is
-  // acquired from non-Java threads, such as a concurrent GC thread.
-  virtual bool needs_reference_pending_list_locker_thread() const {
-    return false;
-  }
-
   // Perform a collection of the heap; intended for use in implementing
   // "System.gc".  This probably implies as full a collection as the
   // "CollectedHeap" supports.