diff -r 46f2dc7c4c39 -r ee93c1087584 src/hotspot/share/gc/shared/collectedHeap.hpp
--- a/src/hotspot/share/gc/shared/collectedHeap.hpp	Thu Apr 12 11:05:42 2018 +0200
+++ b/src/hotspot/share/gc/shared/collectedHeap.hpp	Thu Apr 12 11:22:24 2018 +0200
@@ -105,7 +105,6 @@
   MemRegion _reserved;
 
  protected:
-  BarrierSet* _barrier_set;
   bool _is_gc_active;
 
   // Used for filler objects (static, but initialized in ctor).
@@ -417,10 +416,6 @@
                                                        size_t size,
                                                        Metaspace::MetadataType mdtype);
 
-  // Returns the barrier set for this heap
-  BarrierSet* barrier_set() { return _barrier_set; }
-  void set_barrier_set(BarrierSet* barrier_set);
-
   // Returns "true" iff there is a stop-world GC in progress.  (I assume
   // that it should answer "false" for the concurrent part of a concurrent
   // collector -- dld).