--- old/src/share/vm/gc/g1/heapRegionSet.hpp	2015-12-01 12:06:12.974930655 +0100
+++ new/src/share/vm/gc/g1/heapRegionSet.hpp	2015-12-01 12:06:12.858930659 +0100
@@ -250,8 +250,6 @@
   void remove_starting_at(HeapRegion* first, uint num_regions);
 
   virtual void verify();
-
-  virtual void print_on(outputStream* out, bool print_contents = false);
 };
 
 // Iterator class that provides a convenient way to iterate over the