diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index 3ad8f61a2095..4caf379d5b99 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -1997,8 +1997,8 @@ static int scarlett2_mixer_status_create(struct usb_mixer_interface *mixer)
 	return usb_submit_urb(mixer->urb, GFP_KERNEL);
 }
 
-int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer,
-				      const struct scarlett2_device_info *info)
+static int snd_scarlett_gen2_controls_create(struct usb_mixer_interface *mixer,
+					     const struct scarlett2_device_info *info)
 {
 	int err;