diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index d9f8ade..c17d012 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -868,10 +868,6 @@
 
 static int snd_soc_flat_cache_init(struct snd_soc_codec *codec)
 {
-	const struct snd_soc_codec_driver *codec_drv;
-
-	codec_drv = codec->driver;
-
 	if (codec->reg_def_copy)
 		codec->reg_cache = kmemdup(codec->reg_def_copy,
 					   codec->reg_size, GFP_KERNEL);