--- old/src/hotspot/share/runtime/globals.hpp	2018-09-07 14:09:11.475013392 -0700
+++ new/src/hotspot/share/runtime/globals.hpp	2018-09-07 14:09:11.219013401 -0700
@@ -844,8 +844,6 @@
   experimental(intx, SyncFlags, 0, "(Unsafe, Unstable) "                    \
                "Experimental Sync flags")                                   \
                                                                             \
-  experimental(intx, SyncVerbose, 0, "(Unstable)")                          \
-                                                                            \
   experimental(intx, hashCode, 5,                                           \
                "(Unstable) select hashCode generation algorithm")           \
                                                                             \