diff --git a/src/thread.c b/src/thread.c
deleted file mode 100644
--- a/src/thread.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "thread.h"
-#include <stdlib.h>
-
-#if defined(__AMIGA__) || defined(__MORPHOS__) || defined(NO_THREADS)
-OTTDThread *OTTDCreateThread(OTTDThreadFunc function, void *arg) { return NULL; }
-void *OTTDJoinThread(OTTDThread *t) { return NULL; }
-void OTTDExitThread(void) { NOT_REACHED(); };
-
-#elif defined(__OS2__)
-
-#define INCL_DOS
-#include <os2.h>
-#include <process.h>
-
-struct OTTDThread {
-	TID thread;
-	OTTDThreadFunc func;
-	void* arg;
-	void* ret;
-};
-
-static void Proxy(void* arg)
-{
-	OTTDThread* t = arg;
-	t->ret = t->func(t->arg);
-}
-
-OTTDThread* OTTDCreateThread(OTTDThreadFunc function, void* arg)
-{
-	OTTDThread* t = malloc(sizeof(*t));
-
-	if (t == NULL) return NULL;
-
-	t->func = function;
-	t->arg  = arg;
-	t->thread = _beginthread(Proxy, NULL, 32768, t);
-	if (t->thread != -1) {
-		return t;
-	} else {
-		free(t);
-		return NULL;
-	}
-}
-
-void* OTTDJoinThread(OTTDThread* t)
-{
-	void* ret;
-
-	if (t == NULL) return NULL;
-
-	DosWaitThread(&t->thread, DCWW_WAIT);
-	ret = t->ret;
-	free(t);
-	return ret;
-}
-
-void OTTDExitThread(void)
-{
-	_endthread();
-}
-
-#elif defined(UNIX)
-
-#include <pthread.h>
-
-struct OTTDThread {
-	pthread_t thread;
-};
-
-OTTDThread* OTTDCreateThread(OTTDThreadFunc function, void* arg)
-{
-	OTTDThread* t = malloc(sizeof(*t));
-
-	if (t == NULL) return NULL;
-
-	if (pthread_create(&t->thread, NULL, function, arg) == 0) {
-		return t;
-	} else {
-		free(t);
-		return NULL;
-	}
-}
-
-void* OTTDJoinThread(OTTDThread* t)
-{
-	void* ret;
-
-	if (t == NULL) return NULL;
-
-	pthread_join(t->thread, &ret);
-	free(t);
-	return ret;
-}
-
-void OTTDExitThread(void)
-{
-	pthread_exit(NULL);
-}
-
-#elif defined(WIN32)
-
-#include <windows.h>
-
-struct OTTDThread {
-	HANDLE thread;
-	OTTDThreadFunc func;
-	void* arg;
-	void* ret;
-};
-
-static DWORD WINAPI Proxy(LPVOID arg)
-{
-	OTTDThread* t = arg;
-	t->ret = t->func(t->arg);
-	return 0;
-}
-
-OTTDThread* OTTDCreateThread(OTTDThreadFunc function, void* arg)
-{
-	OTTDThread* t = malloc(sizeof(*t));
-	DWORD dwThreadId;
-
-	if (t == NULL) return NULL;
-
-	t->func = function;
-	t->arg  = arg;
-	t->thread = CreateThread(NULL, 0, Proxy, t, 0, &dwThreadId);
-
-	if (t->thread != NULL) {
-		return t;
-	} else {
-		free(t);
-		return NULL;
-	}
-}
-
-void* OTTDJoinThread(OTTDThread* t)
-{
-	void* ret;
-
-	if (t == NULL) return NULL;
-
-	WaitForSingleObject(t->thread, INFINITE);
-	CloseHandle(t->thread);
-	ret = t->ret;
-	free(t);
-	return ret;
-}
-
-void OTTDExitThread(void)
-{
-	ExitThread(0);
-}
-#endif