--- a/src/hotspot/share/trace/tracingExport.hpp	Tue May 15 11:28:29 2018 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2018, 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.
- *
- * 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 SHARE_VM_TRACE_TRACINGEXPORT_HPP
-#define SHARE_VM_TRACE_TRACINGEXPORT_HPP
-
-#include "runtime/thread.hpp"
-
-class TracingExport : AllStatic {
- public:
-  static Thread* sampler_thread_acquire();
-  static void set_sampler_thread_with_lock(Thread* thread);
-
- private:
-  static Thread* volatile _sampler_thread;
-};
-
-#endif // SHARE_VM_TRACE_TRACINGEXPORT_HPP