diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 12eb74d5f5c12c4f80f2b2ca3e2e59366c5a8fca..d674589e82e570ad8776e37c85ab7881319d7f1b 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3778,7 +3778,7 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
-void
+static void
 snd_soc_dapm_free_kcontrol(struct snd_soc_card *card,
 			unsigned long *private_value,
 			int num_params,