--- a/jdk/src/share/classes/sun/misc/ThreadGroupUtils.java	Thu May 22 20:24:42 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,55 +0,0 @@
-/*
- * Copyright (c) 2014, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package sun.misc;
-
-/**
- * A utility class needed to access the root {@code ThreadGroup}
- *
- * The class should not depend on any others, because it' called from JNI_OnLoad of the AWT
- * native library. Triggering class loading could could lead to a deadlock.
- */
-public final class ThreadGroupUtils {
-
-    private ThreadGroupUtils() {
-        // Avoid instantiation
-    }
-
-    /**
-     * Returns a root thread group.
-     * Should be called with {@link sun.security.util.SecurityConstants#MODIFY_THREADGROUP_PERMISSION}
-     *
-     * @return a root {@code ThreadGroup}
-     */
-    public static ThreadGroup getRootThreadGroup() {
-        ThreadGroup currentTG = Thread.currentThread().getThreadGroup();
-        ThreadGroup parentTG = currentTG.getParent();
-        while (parentTG != null) {
-            currentTG = parentTG;
-            parentTG = currentTG.getParent();
-        }
-        return currentTG;
-    }
-}