diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index b133b92a0ad5..2f8aaf8f8232 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -171,9 +171,6 @@ static struct pci_driver isicom_driver = {
 static int prev_card = 3;	/*	start servicing isi_card[0]	*/
 static struct tty_driver *isicom_normal;
 
-static DECLARE_COMPLETION(isi_timerdone);
-static char re_schedule = 1;
-
 static void isicom_tx(unsigned long _data);
 static void isicom_start(struct tty_struct *tty);
 
@@ -502,11 +499,6 @@ unlock:
 	spin_unlock_irqrestore(&isi_card[card].card_lock, flags);
 	/*	schedule another tx for hopefully in about 10ms	*/
 sched_again:
-	if (!re_schedule) {
-		complete(&isi_timerdone);
- 		return;
-	}
-
 	mod_timer(&tx, jiffies + msecs_to_jiffies(10));
 }
 
@@ -1890,9 +1882,7 @@ error:
 
 static void __exit isicom_exit(void)
 {
-	re_schedule = 0;
-
-	wait_for_completion_timeout(&isi_timerdone, HZ);
+	del_timer_sync(&tx);
 
 	pci_unregister_driver(&isicom_driver);
 	tty_unregister_driver(isicom_normal);