--- a/hotspot/src/share/vm/memory/generation.cpp	Mon Dec 01 12:11:11 2014 +0100
+++ b/hotspot/src/share/vm/memory/generation.cpp	Tue Dec 02 09:51:16 2014 +0100
@@ -152,13 +152,6 @@
   return blk.sp != NULL;
 }
 
-DefNewGeneration* Generation::as_DefNewGeneration() {
-  assert((kind() == Generation::DefNew) ||
-         (kind() == Generation::ParNew),
-    "Wrong youngest generation type");
-  return (DefNewGeneration*) this;
-}
-
 Generation* Generation::next_gen() const {
   GenCollectedHeap* gch = GenCollectedHeap::heap();
   int next = level() + 1;