diff --git a/sys/windows/ntsound.c b/sys/windows/ntsound.c
deleted file mode 100644
index b7af415fb..000000000
--- a/sys/windows/ntsound.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/* NetHack 3.7	ntsound.c	$NHDT-Date: 1596498316 2020/08/03 23:45:16 $  $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.13 $ */
-/*   Copyright (c) NetHack PC Development Team 1993                 */
-/*   NetHack may be freely redistributed.  See license for details. */
-/*                                                                  */
-/*
- * ntsound.c - Windows NT NetHack sound support
- *
- *Edit History:
- *     Initial Creation                              93/12/11
- *
- */
-
-#include "win32api.h"
-#include "hack.h"
-#include <mmsystem.h>
-
-#ifdef USER_SOUNDS
-
-void
-play_usersound(const char* filename, int volume UNUSED)
-{
-    /*    pline("play_usersound: %s (%d).", filename, volume); */
-    (void) sndPlaySound(filename, SND_ASYNC | SND_NODEFAULT);
-}
-
-#endif /*USER_SOUNDS*/
-/* ntsound.c */