diff -r efc459cf351e -r 2d91c9a4f409 src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/GroupTypes.java
--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/GroupTypes.java	Fri Nov 24 17:19:47 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,67 +0,0 @@
-/*
- * Copyright (c) 2017, 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 jdk.javadoc.internal.doclets.toolkit.util;
-
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-import jdk.javadoc.internal.doclets.toolkit.util.TableTabTypes.TableTabs;
-
-/**
- * Enum representing group types.
- *
- *  <p><b>This is NOT part of any supported API.
- *  If you write code that depends on this, you do so at your own risk.
- *  This code and its internal interfaces are subject to change or
- *  deletion without notice.</b>
- *
- * @author Bhavesh Patel
- */
-public class GroupTypes {
-
-    private final Map<String,TableTabs> tabs = new LinkedHashMap<>();
-
-    private int value = 1;
-
-    public GroupTypes(List<String> groupList, String allLabel) {
-        if (groupList.size() > 1) {
-            tabs.put(allLabel, TableTabs.tab(65535, allLabel, "t0", true));
-        }
-        groupList.forEach((groupname) -> {
-            tabs.put(groupname, TableTabs.tab(value, groupname, "t" + value, false));
-            value = 2 * value;
-        });
-    }
-
-    public Map<String,TableTabs> getGroupTypes() {
-        return tabs;
-    }
-
-    public TableTabs getTableTab(String groupName) {
-        return tabs.get(groupName);
-    }
-}