--- a/test/lib/sun/hotspot/gc/GC.java	Wed Nov 13 11:21:15 2019 +0100
+++ b/test/lib/sun/hotspot/gc/GC.java	Wed Nov 13 11:37:29 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,11 +35,10 @@
      */
     Serial(1),
     Parallel(2),
-    ConcMarkSweep(3),
-    G1(4),
-    Epsilon(5),
-    Z(6),
-    Shenandoah(7);
+    G1(3),
+    Epsilon(4),
+    Z(5),
+    Shenandoah(6);
 
     private static final WhiteBox WB = WhiteBox.getWhiteBox();