diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c
index 0a6e7b4ace60..6b650c1aa3d1 100644
--- a/sound/soc/codecs/tpa6130a2.c
+++ b/sound/soc/codecs/tpa6130a2.c
@@ -106,7 +106,7 @@ static void tpa6130a2_initialize(void)
 		tpa6130a2_i2c_write(i, data->regs[i]);
 }
 
-void tpa6130a2_power(int power)
+static void tpa6130a2_power(int power)
 {
 	struct	tpa6130a2_data *data;
 	u8	val;
diff --git a/sound/soc/codecs/tpa6130a2.h b/sound/soc/codecs/tpa6130a2.h
index 6a794f16cee9..57e867fd86d1 100644
--- a/sound/soc/codecs/tpa6130a2.h
+++ b/sound/soc/codecs/tpa6130a2.h
@@ -57,6 +57,5 @@
 #define TPA6130A2_VERSION_MASK		(0x0f)
 
 extern int tpa6130a2_add_controls(struct snd_soc_codec *codec);
-extern void tpa6130a2_power(int power);
 
 #endif /* __TPA6130A2_H__ */