diff -r 9dd3975ca940 -r 62fd3fb4b1b1 hotspot/src/share/vm/gc/g1/g1CollectorState.hpp
--- a/hotspot/src/share/vm/gc/g1/g1CollectorState.hpp	Tue Mar 08 13:17:30 2016 +0100
+++ b/hotspot/src/share/vm/gc/g1/g1CollectorState.hpp	Thu Mar 17 11:18:52 2016 -0700
@@ -72,7 +72,6 @@
   bool _in_marking_window;
   bool _in_marking_window_im;
 
-  bool _concurrent_cycle_started;
   bool _full_collection;
 
   public:
@@ -88,7 +87,6 @@
       _mark_in_progress(false),
       _in_marking_window(false),
       _in_marking_window_im(false),
-      _concurrent_cycle_started(false),
       _full_collection(false) {}
 
   // Setters
@@ -101,7 +99,6 @@
   void set_mark_in_progress(bool v) { _mark_in_progress = v; }
   void set_in_marking_window(bool v) { _in_marking_window = v; }
   void set_in_marking_window_im(bool v) { _in_marking_window_im = v; }
-  void set_concurrent_cycle_started(bool v) { _concurrent_cycle_started = v; }
   void set_full_collection(bool v) { _full_collection = v; }
 
   // Getters
@@ -114,7 +111,6 @@
   bool mark_in_progress() const { return _mark_in_progress; }
   bool in_marking_window() const { return _in_marking_window; }
   bool in_marking_window_im() const { return _in_marking_window_im; }
-  bool concurrent_cycle_started() const { return _concurrent_cycle_started; }
   bool full_collection() const { return _full_collection; }
 
   // Composite booleans (clients worry about flickering)