--- a/src/hotspot/cpu/arm/globals_arm.hpp	Wed Nov 13 11:21:15 2019 +0100
+++ b/src/hotspot/cpu/arm/globals_arm.hpp	Wed Nov 13 11:37:29 2019 +0100
@@ -63,9 +63,6 @@
 
 define_pd_global(bool,  PreserveFramePointer,     false);
 
-// GC Ergo Flags
-define_pd_global(size_t, CMSYoungGenPerWorker,    16*M);  // default max size of CMS young gen, per GC worker thread
-
 define_pd_global(uintx, TypeProfileLevel, 0);
 
 // No performance work done here yet.