diff --git a/sound/soc/codecs/max9877.h b/sound/soc/codecs/max9877.h
index 6da72290ac58228799f6e952a9f2eb45186629ac..368343f29dd0fae4be730799a56573b0f56a65c4 100644
--- a/sound/soc/codecs/max9877.h
+++ b/sound/soc/codecs/max9877.h
@@ -32,6 +32,4 @@
 #define MAX9877_BYPASS			(1 << 6)
 #define MAX9877_SHDN			(1 << 7)
 
-extern int max9877_add_controls(struct snd_soc_codec *codec);
-
 #endif