diff --git a/audio/dsound.c b/audio/dsound.c
index 976843b7cf..2403dd4cc6 100644
--- a/audio/dsound.c
+++ b/audio/dsound.c
@@ -384,7 +384,6 @@ static size_t dsound_write_avail(void *data)
 
 static size_t dsound_buffer_size(void *data)
 {
-   dsound_t *ds = (dsound_t*)data;
    return 4 * 1024;
 }