diff --git a/sound/soc/codecs/max98925.c b/sound/soc/codecs/max98925.c
index 74f4f0b60108fdc2689424e28908bcfb7c9fba45..34fc4d0441fd547f56c8ea490ace5cbb8f6f210c 100644
--- a/sound/soc/codecs/max98925.c
+++ b/sound/soc/codecs/max98925.c
@@ -186,7 +186,7 @@ static bool max98925_readable_register(struct device *dev, unsigned int reg)
 	}
 }
 
-DECLARE_TLV_DB_SCALE(max98925_spk_tlv, -600, 100, 0);
+static DECLARE_TLV_DB_SCALE(max98925_spk_tlv, -600, 100, 0);
 
 static const struct snd_kcontrol_new max98925_snd_controls[] = {
 	SOC_SINGLE_TLV("Speaker Volume", MAX98925_GAIN,