--- old/src/share/vm/runtime/arguments.cpp 2014-05-19 12:43:18.583307838 +0200 +++ new/src/share/vm/runtime/arguments.cpp 2014-05-19 12:43:18.390899331 +0200 @@ -3819,10 +3819,6 @@ // nothing to use the profiling, turn if off FLAG_SET_DEFAULT(TypeProfileLevel, 0); } - if (UseTypeSpeculation && FLAG_IS_DEFAULT(ReplaceInParentMaps)) { - // Doing the replace in parent maps helps speculation - FLAG_SET_DEFAULT(ReplaceInParentMaps, true); - } #endif if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) {