--- old/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp	2013-06-05 15:18:21.300217042 -0400
+++ new/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp	2013-06-05 15:18:19.727416971 -0400
@@ -2017,12 +2017,6 @@
 
 ALL_SINCE_SAVE_MARKS_CLOSURES(CFLS_OOP_SINCE_SAVE_MARKS_DEFN)
 
-
-void CompactibleFreeListSpace::object_iterate_since_last_GC(ObjectClosure* cl) {
-  // ugghh... how would one do this efficiently for a non-contiguous space?
-  guarantee(false, "NYI");
-}
-
 bool CompactibleFreeListSpace::linearAllocationWouldFail() const {
   return _smallLinearAllocBlock._word_size == 0;
 }