diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c
index 4797228..8623577 100644
--- a/drivers/usb/storage/realtek_cr.c
+++ b/drivers/usb/storage/realtek_cr.c
@@ -933,14 +933,11 @@
 
 static void realtek_cr_destructor(void *extra)
 {
-	struct rts51x_chip *chip = (struct rts51x_chip *)extra;
-	struct us_data *us;
+	struct rts51x_chip *chip = extra;
 
 	if (!chip)
 		return;
 
-	us = chip->us;
-
 #ifdef CONFIG_REALTEK_AUTOPM
 	if (ss_en) {
 		del_timer(&chip->rts51x_suspend_timer);