--- old/src/hotspot/cpu/x86/globals_x86.hpp	2020-02-25 17:43:48.000000000 -0500
+++ new/src/hotspot/cpu/x86/globals_x86.hpp	2020-02-25 17:43:47.000000000 -0500
@@ -89,21 +89,6 @@
 
 define_pd_global(intx, InitArrayShortSize, 8*BytesPerLong);
 
-#if defined(_LP64) || defined(_WINDOWS)
-// ObjectMonitor ref_count is implemented in LP64 C2 fast_lock()
-// and fast_unlock() so we don't need the handshake by default.
-#ifdef _LP64
-define_pd_global(bool, HandshakeAfterDeflateIdleMonitors, false);
-#else
-define_pd_global(bool, HandshakeAfterDeflateIdleMonitors, true);
-#endif
-#else
-// ObjectMonitor ref_count not implemented in C2 fast_lock() or
-// fast_unlock() so use a handshake for safety.
-// Will use a safepoint instead of a handshake on this platform.
-define_pd_global(bool, HandshakeAfterDeflateIdleMonitors, true);
-#endif
-
 #define ARCH_FLAGS(develop, \
                    product, \
                    diagnostic, \