diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 73e0a23e14f3..e4aa6c0632d7 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -49,8 +49,6 @@
 #include <linux/usb/serial.h>
 #include "kl5kusb105.h"
 
-static bool debug;
-
 /*
  * Version Information
  */
@@ -681,6 +679,3 @@ module_usb_serial_driver(serial_drivers, id_table);
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "enable extensive debugging messages");