diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index 94a366cc99761e9c926c5740ccb76ab1e9f45413..ceba45ad02942622edd1c67f8aecb9d65306c1e7 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -63,7 +63,7 @@ static struct usb_device_id stkwebcam_table[] = {
 };
 MODULE_DEVICE_TABLE(usb, stkwebcam_table);
 
-void stk_camera_cleanup(struct kref *kref)
+static void stk_camera_cleanup(struct kref *kref)
 {
 	struct stk_camera *dev = to_stk_camera(kref);