diff --git a/src/hotspot/share/runtime/vmOperation.hpp b/src/hotspot/share/runtime/vmOperation.hpp
index ada5014beee..66bf5dc2e27 100644
--- a/src/hotspot/share/runtime/vmOperation.hpp
+++ b/src/hotspot/share/runtime/vmOperation.hpp
@@ -69,10 +69,6 @@
   template(ZRelocateStartYoung)                   \
   template(ZRendezvousGCThreads)                  \
   template(ZVerifyOld)                            \
-  template(XMarkStart)                            \
-  template(XMarkEnd)                              \
-  template(XRelocateStart)                        \
-  template(XVerify)                               \
   template(HandshakeAllThreads)                   \
   template(PopulateDumpSharedSpace)               \
   template(JNIFunctionTableCopier)                \