--- a/test/hotspot/jtreg/runtime/CommandLine/TestNullTerminatedFlags.java	Wed Nov 14 09:19:31 2018 +0100
+++ b/test/hotspot/jtreg/runtime/CommandLine/TestNullTerminatedFlags.java	Wed Nov 14 04:56:43 2018 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2018, 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
@@ -42,7 +42,6 @@
             "-green",
             "-native",
             "-Xrs",
-            "-Xconcurrentio",
             "-Xinternalversion",
             "-Xprintflags",
             "-Xint",