--- old/src/hotspot/share/gc/g1/g1FullCollector.hpp	2017-11-21 11:59:45.610751711 +0100
+++ new/src/hotspot/share/gc/g1/g1FullCollector.hpp	2017-11-21 11:59:45.306739537 +0100
@@ -63,7 +63,6 @@
   void collect();
   void complete_collection();
 
-  G1CollectedHeap*         heap() { return _heap; }
   G1FullGCScope*           scope() { return &_scope; }
   uint                     workers() { return _num_workers; }
   G1FullGCMarker*          marker(uint id) { return _markers[id]; }