--- a/src/java.base/macosx/native/include/jni_md.h	Mon Oct 30 16:37:53 2017 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,42 +0,0 @@
-/*
- * Copyright (c) 1996, 2013, 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.
- */
-
-#ifndef _JAVASOFT_JNI_MD_H_
-#define _JAVASOFT_JNI_MD_H_
-
-#define JNIEXPORT     __attribute__((visibility("default")))
-#define JNIIMPORT     __attribute__((visibility("default")))
-#define JNICALL
-
-typedef int jint;
-#ifdef _LP64 /* 64-bit */
-typedef long jlong;
-#else
-typedef long long jlong;
-#endif
-
-typedef signed char jbyte;
-
-#endif /* !_JAVASOFT_JNI_MD_H_ */