diff --git a/[refs] b/[refs]
index ae994b2e9fa5..6d041cb6ae22 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0a7e7a6ec6dba5c7310d10ca7a6ea82c67aa67cc
+refs/heads/master: 67ef930191983c6efbf01223fdde4c317873f367
diff --git a/trunk/drivers/usb/serial/ch341.c b/trunk/drivers/usb/serial/ch341.c
index b07009b6f4e1..e9c7046ae355 100644
--- a/trunk/drivers/usb/serial/ch341.c
+++ b/trunk/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");