Removed unused variable.
diff --git a/src/audio/winmm/SDL_winmm.c b/src/audio/winmm/SDL_winmm.c
index 83f5cec..b442e88 100644
--- a/src/audio/winmm/SDL_winmm.c
+++ b/src/audio/winmm/SDL_winmm.c
@@ -225,7 +225,6 @@ WINMM_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
MMRESULT result;
WAVEFORMATEX waveformat;
UINT devId = WAVE_MAPPER; /* WAVE_MAPPER == choose system's default */
- char *utf8 = NULL;
UINT i;
if (handle != NULL) { /* specific device requested? */