--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/classfile/Signature_attribute.java	Wed May 27 11:27:42 2015 +0530
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,67 +0,0 @@
-/*
- * Copyright (c) 2007, 2008, 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 com.sun.tools.classfile;
-
-import java.io.IOException;
-
-/**
- * See JVMS, section 4.8.9.
- *
- *  <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>
- */
-public class Signature_attribute extends Attribute {
-    Signature_attribute(ClassReader cr, int name_index, int length) throws IOException {
-        super(name_index, length);
-        signature_index = cr.readUnsignedShort();
-    }
-
-    public Signature_attribute(ConstantPool constant_pool, int signature_index)
-            throws ConstantPoolException {
-        this(constant_pool.getUTF8Index(Attribute.Signature), signature_index);
-    }
-
-    public Signature_attribute(int name_index, int signature_index) {
-        super(name_index, 2);
-        this.signature_index = signature_index;
-    }
-
-    public String getSignature(ConstantPool constant_pool) throws ConstantPoolException {
-        return constant_pool.getUTF8Value(signature_index);
-    }
-
-    public Signature getParsedSignature() {
-        return new Signature(signature_index);
-    }
-
-    public <R, D> R accept(Visitor<R, D> visitor, D data) {
-        return visitor.visitSignature(this, data);
-    }
-
-    public final int signature_index;
-}