diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 9b819c4..1b5ea51 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2676,7 +2676,6 @@ error:
 static void mos7840_disconnect(struct usb_serial *serial)
 {
 	int i;
-	unsigned long flags;
 	struct moschip_port *mos7840_port;
 
 	if (!serial) {