diff --git a/src/thread/thread.h b/src/thread/thread.h
deleted file mode 100644
--- a/src/thread/thread.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/* $Id$ */
-
-/*
- * This file is part of OpenTTD.
- * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
- * OpenTTD 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 for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/** @file thread.h Base of all threads. */
-
-#ifndef THREAD_H
-#define THREAD_H
-
-/** Definition of all thread entry functions. */
-typedef void (*OTTDThreadFunc)(void *);
-
-/** Signal used for signalling we knowingly want to end the thread. */
-class OTTDThreadExitSignal { };
-
-/**
- * A Thread Object which works on all our supported OSes.
- */
-class ThreadObject {
-public:
-	/**
-	 * Virtual destructor to allow 'delete' operator to work properly.
-	 */
-	virtual ~ThreadObject() {};
-
-	/**
-	 * Exit this thread.
-	 */
-	virtual bool Exit() = 0;
-
-	/**
-	 * Join this thread.
-	 */
-	virtual void Join() = 0;
-
-	/**
-	 * Create a thread; proc will be called as first function inside the thread,
-	 *  with optional params.
-	 * @param proc The procedure to call inside the thread.
-	 * @param param The params to give with 'proc'.
-	 * @param thread Place to store a pointer to the thread in. May be NULL.
-	 * @param name A name for the thread. May be NULL.
-	 * @return True if the thread was started correctly.
-	 */
-	static bool New(OTTDThreadFunc proc, void *param, ThreadObject **thread = NULL, const char *name = NULL);
-};
-
-/**
- * Get number of processor cores in the system, including HyperThreading or similar.
- * @return Total number of processor cores.
- */
-uint GetCPUCoreCount();
-
-#endif /* THREAD_H */