diff --git a/sound/sdl.c b/sound/sdl.c
deleted file mode 100644
--- a/sound/sdl.c
+++ /dev/null
@@ -1,40 +0,0 @@
-#include "stdafx.h"
-#include "openttd.h"
-#include "driver.h"
-#include "mixer.h"
-#include "sdl.h"
-#include "sound/sdl.h"
-#include <SDL.h>
-
-static void CDECL fill_sound_buffer(void *userdata, Uint8 *stream, int len)
-{
-	MxMixSamples(_mixer, stream, len / 4);
-}
-
-static const char *SdlSoundStart(const char * const *parm)
-{
-	SDL_AudioSpec spec;
-
-	const char *s = SdlOpen(SDL_INIT_AUDIO);
-	if (s != NULL) return s;
-
-	spec.freq = GetDriverParamInt(parm, "hz", 11025);
-	spec.format = AUDIO_S16SYS;
-	spec.channels = 2;
-	spec.samples = 512;
-	spec.callback = fill_sound_buffer;
-	SDL_CALL SDL_OpenAudio(&spec, &spec);
-	SDL_CALL SDL_PauseAudio(0);
-	return NULL;
-}
-
-static void SdlSoundStop(void)
-{
-	SDL_CALL SDL_CloseAudio();
-	SdlClose(SDL_INIT_AUDIO);
-}
-
-const HalSoundDriver _sdl_sound_driver = {
-	SdlSoundStart,
-	SdlSoundStop,
-};