diff -r 3d808abd9ccb -r 42db2c5bcd25 jdk/src/java.base/unix/classes/sun/nio/ch/DefaultAsynchronousChannelProvider.java
--- a/jdk/src/java.base/unix/classes/sun/nio/ch/DefaultAsynchronousChannelProvider.java	Thu Feb 23 16:21:27 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2008, 2012, 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.nio.ch;
-
-import java.nio.channels.spi.AsynchronousChannelProvider;
-import sun.security.action.GetPropertyAction;
-
-/**
- * Creates this platform's default asynchronous channel provider
- */
-
-public class DefaultAsynchronousChannelProvider {
-
-    /**
-     * Prevent instantiation.
-     */
-    private DefaultAsynchronousChannelProvider() { }
-
-    @SuppressWarnings("unchecked")
-    private static AsynchronousChannelProvider createProvider(String cn) {
-        Class<AsynchronousChannelProvider> c;
-        try {
-            c = (Class<AsynchronousChannelProvider>)Class.forName(cn);
-        } catch (ClassNotFoundException x) {
-            throw new AssertionError(x);
-        }
-        try {
-            @SuppressWarnings("deprecation")
-            AsynchronousChannelProvider result = c.newInstance();
-            return result;
-        } catch (IllegalAccessException | InstantiationException x) {
-            throw new AssertionError(x);
-        }
-
-    }
-
-    /**
-     * Returns the default AsynchronousChannelProvider.
-     */
-    public static AsynchronousChannelProvider create() {
-        String osname = GetPropertyAction.privilegedGetProperty("os.name");
-        if (osname.equals("SunOS"))
-            return createProvider("sun.nio.ch.SolarisAsynchronousChannelProvider");
-        if (osname.equals("Linux"))
-            return createProvider("sun.nio.ch.LinuxAsynchronousChannelProvider");
-        if (osname.contains("OS X"))
-            return createProvider("sun.nio.ch.BsdAsynchronousChannelProvider");
-        if (osname.equals("AIX"))
-            return createProvider("sun.nio.ch.AixAsynchronousChannelProvider");
-        throw new InternalError("platform not recognized");
-    }
-}