diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index c742e101d91e..cb9aae5e9ca5 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1652,15 +1652,9 @@ static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
 	mutex_lock(&codec->spdif_mutex);
 	change = codec->spdif_in_enable != val;
 	if (change) {
-		hda_nid_t *d;
 		codec->spdif_in_enable = val;
 		snd_hda_codec_write_cache(codec, nid, 0,
 					  AC_VERB_SET_DIGI_CONVERT_1, val);
-
-		if (codec->slave_dig_outs)
-			for (d = codec->slave_dig_outs; *d; d++)
-				snd_hda_codec_write_cache(codec, *d, 0,
-					  AC_VERB_SET_DIGI_CONVERT_1, val);
 	}
 	mutex_unlock(&codec->spdif_mutex);
 	return change;