--- old/src/share/vm/gc/g1/g1CollectorPolicy.hpp	2015-12-09 12:27:02.546689233 -0500
+++ new/src/share/vm/gc/g1/g1CollectorPolicy.hpp	2015-12-09 12:27:02.078662865 -0500
@@ -492,7 +492,6 @@
 
   // This set of variables tracks the collector efficiency, in order to
   // determine whether we should initiate a new marking.
-  double _cur_mark_stop_world_time_ms;
   double _mark_remark_start_sec;
   double _mark_cleanup_start_sec;