diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index b07009b6f4e1363f41f0a566073e49c125e32bdc..e9c7046ae355a9da6746c83b669b8605c38fec96 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -70,8 +70,6 @@
 #define CH341_NBREAK_BITS_REG2 0x40
 
 
-static bool debug;
-
 static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x4348, 0x5523) },
 	{ USB_DEVICE(0x1a86, 0x7523) },
@@ -621,6 +619,3 @@ 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");