--- a/jdk/src/share/classes/sun/dyn/WrapperInstance.java	Wed Jul 05 17:38:31 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2011, 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.dyn;
-
-import java.dyn.MethodHandle;
-
-/**
- * Private API used inside of java.dyn.MethodHandles.
- * Interface implemented by every object which is produced by
- * {@link java.dyn.MethodHandles#asInstance MethodHandles.asInstance}.
- * The methods of this interface allow a caller to recover the parameters
- * to {@code asInstance}.
- * This allows applications to repeatedly convert between method handles
- * and SAM objects, without the risk of creating unbounded delegation chains.
- */
-public interface WrapperInstance {
-    /** Produce or recover a target method handle which is behaviorally
-     *  equivalent to the SAM method of this object.
-     */
-    public MethodHandle getWrapperInstanceTarget();
-    /** Recover the SAM type for which this object was created.
-     */
-    public Class<?> getWrapperInstanceType();
-}
-