--- old/src/java.desktop/share/classes/sun/java2d/marlin/RendererStats.java	2018-02-15 13:11:17.288511439 +0100
+++ new/src/java.desktop/share/classes/sun/java2d/marlin/RendererStats.java	2018-02-15 13:11:17.140507387 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 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
@@ -36,7 +36,6 @@
 import sun.java2d.marlin.stats.Histogram;
 import sun.java2d.marlin.stats.Monitor;
 import sun.java2d.marlin.stats.StatLong;
-import sun.awt.util.ThreadGroupUtils;
 
 /**
  * This class gathers global rendering statistics for debugging purposes only
@@ -359,7 +358,7 @@
             AccessController.doPrivileged(
                 (PrivilegedAction<Void>) () -> {
                     final Thread hook = new Thread(
-                        ThreadGroupUtils.getRootThreadGroup(),
+                        MarlinUtils.getRootThreadGroup(),
                         new Runnable() {
                             @Override
                             public void run() {