diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c
index d0f1c21dd91c09e6a173c1a957c9616064c77419..701fffa8431f5f39e8643c66d06af8c244427ef3 100644
--- a/drivers/usb/serial/symbolserial.c
+++ b/drivers/usb/serial/symbolserial.c
@@ -20,8 +20,6 @@
 #include <linux/usb/serial.h>
 #include <linux/uaccess.h>
 
-static bool debug;
-
 static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x05e0, 0x0600) },
 	{ },
@@ -291,6 +289,3 @@ static struct usb_serial_driver * const serial_drivers[] = {
 module_usb_serial_driver(serial_drivers, id_table);
 
 MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");