--- old/src/share/vm/gc/cms/vmCMSOperations.hpp	2016-07-31 21:09:35.577206665 -0400
+++ new/src/share/vm/gc/cms/vmCMSOperations.hpp	2016-07-31 21:09:35.477206169 -0400
@@ -28,7 +28,6 @@
 #include "gc/cms/concurrentMarkSweepGeneration.hpp"
 #include "gc/shared/gcCause.hpp"
 #include "gc/shared/gcId.hpp"
-#include "gc/shared/referencePendingListLocker.hpp"
 #include "gc/shared/vmGCOperations.hpp"
 #include "runtime/vm_operations.hpp"
 
@@ -52,9 +51,6 @@
 class CMSCollector;
 
 class VM_CMS_Operation: public VM_Operation {
- private:
-  ReferencePendingListLocker _pending_list_locker;
-
  protected:
   CMSCollector*  _collector;                 // associated collector
   bool           _prologue_succeeded;     // whether doit_prologue succeeded
@@ -62,10 +58,6 @@
 
   bool lost_race() const;
 
-  // java.lang.ref.Reference support
-  void acquire_pending_list_lock();
-  void release_and_notify_pending_list_lock();
-
  public:
   VM_CMS_Operation(CMSCollector* collector):
     _collector(collector),