diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 597533490f2d65d41faf491ae634f4447e140c0a..65251911cf6f34a0782eb210bfdee2aaa38989c9 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -620,10 +620,9 @@ static int snd_ice1712_playback_ds_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	u32 period_size, buf_size, rate, tmp, chn;
+	u32 period_size, rate, tmp, chn;
 
 	period_size = snd_pcm_lib_period_bytes(substream) - 1;
-	buf_size = snd_pcm_lib_buffer_bytes(substream) - 1;
 	tmp = 0x0064;
 	if (snd_pcm_format_width(runtime->format) == 16)
 		tmp &= ~0x04;