diff --git a/src/newgrf_sound.c b/src/newgrf_sound.c
deleted file mode 100644
--- a/src/newgrf_sound.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "openttd.h"
-#include "oldpool.h"
-#include "sound.h"
-#include "engine.h"
-#include "vehicle.h"
-#include "newgrf_callbacks.h"
-#include "newgrf_engine.h"
-#include "newgrf_sound.h"
-
-static uint _sound_count = 0;
-STATIC_OLD_POOL(SoundInternal, FileEntry, 3, 1000, NULL, NULL)
-
-
-/* Allocate a new FileEntry */
-FileEntry *AllocateFileEntry(void)
-{
-	if (_sound_count == GetSoundInternalPoolSize()) {
-		if (!AddBlockToPool(&_SoundInternal_pool)) return NULL;
-	}
-
-	return GetSoundInternal(_sound_count++);
-}
-
-
-void InitializeSoundPool(void)
-{
-	CleanPool(&_SoundInternal_pool);
-	_sound_count = 0;
-
-	/* Copy original sound data to the pool */
-	SndCopyToPool();
-}
-
-
-FileEntry *GetSound(uint index)
-{
-	if (index >= _sound_count) return NULL;
-	return GetSoundInternal(index);
-}
-
-
-uint GetNumSounds(void)
-{
-	return _sound_count;
-}
-
-
-bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event)
-{
-	const GRFFile *file = GetEngineGRF(v->engine_type);
-	uint16 callback;
-
-	/* If the engine has no GRF ID associated it can't ever play any new sounds */
-	if (file == NULL) return false;
-
-	/* Check that the vehicle type uses the sound effect callback */
-	if (!HASBIT(EngInfo(v->engine_type)->callbackmask, CBM_SOUND_EFFECT)) return false;
-
-	callback = GetVehicleCallback(CBID_VEHICLE_SOUND_EFFECT, event, 0, v->engine_type, v);
-	if (callback == CALLBACK_FAILED) return false;
-	if (callback >= GetNumOriginalSounds()) callback += file->sound_offset - GetNumOriginalSounds();
-
-	if (callback < GetNumSounds()) SndPlayVehicleFx(callback, v);
-	return true;
-}