--- old/src/hotspot/share/gc/g1/g1GCPhaseTimes.hpp	2018-05-08 09:41:42.223484455 +0200
+++ new/src/hotspot/share/gc/g1/g1GCPhaseTimes.hpp	2018-05-08 09:41:41.936475586 +0200
@@ -73,7 +73,6 @@
     StringDedupQueueFixup,
     StringDedupTableFixup,
     RedirtyCards,
-    PreserveCMReferents,
     YoungFreeCSet,
     NonYoungFreeCSet,
     GCParPhasesSentinel