--- a/src/hotspot/share/gc/g1/g1RemSetSummary.hpp	Wed Oct 16 16:54:56 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1RemSetSummary.hpp	Mon Oct 14 18:48:10 2019 -0700
@@ -36,8 +36,6 @@
 private:
   friend class GetRSThreadVTimeClosure;
 
-  G1RemSet* _rem_set;
-
   size_t _total_mutator_refined_cards;
   size_t _total_concurrent_refined_cards;
 
@@ -57,8 +55,7 @@
   void update();
 
 public:
-  G1RemSetSummary();
-  G1RemSetSummary(G1RemSet* remset);
+  G1RemSetSummary(bool should_update = true);
 
   ~G1RemSetSummary();