diff -r f0312c7d5b37 -r ba6c248cae19 src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java	Wed Nov 13 11:21:15 2019 +0100
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java	Wed Nov 13 11:37:29 2019 +0100
@@ -164,7 +164,6 @@
     }
 
     public final boolean useG1GC = getFlag("UseG1GC", Boolean.class);
-    public final boolean useCMSGC = getFlag("UseConcMarkSweepGC", Boolean.class);
 
     public final int allocatePrefetchStyle = getFlag("AllocatePrefetchStyle", Integer.class);
     public final int allocatePrefetchInstr = getFlag("AllocatePrefetchInstr", Integer.class);