--- a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp	Thu Feb 22 18:36:07 2018 +0100
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp	Thu Feb 22 18:36:32 2018 +0100
@@ -1003,9 +1003,6 @@
 
   virtual SoftRefPolicy* soft_ref_policy();
 
-  // Adaptive size policy.  No such thing for g1.
-  virtual AdaptiveSizePolicy* size_policy() { return NULL; }
-
   virtual GrowableArray<GCMemoryManager*> memory_managers();
   virtual GrowableArray<MemoryPool*> memory_pools();