--- old/src/hotspot/share/gc/g1/g1CollectedHeap.hpp	2019-03-11 22:56:16.250604213 +0100
+++ new/src/hotspot/share/gc/g1/g1CollectedHeap.hpp	2019-03-11 22:56:15.638594291 +0100
@@ -1312,9 +1312,6 @@
 
   // Optimized nmethod scanning support routines
 
-  // Is an oop scavengeable
-  virtual bool is_scavengable(oop obj);
-
   // Register the given nmethod with the G1 heap.
   virtual void register_nmethod(nmethod* nm);