diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 81db5715ee25ef5d0769494a11318c4cf866e0ad..42f92815c6e5dd238a89b02b9a6508633eda4680 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -224,10 +224,6 @@ struct oti6858_private {
 	struct usb_serial_port *port;   /* USB port with which associated */
 };
 
-#undef dbg
-/* #define dbg(format, arg...) printk(KERN_INFO "%s: " format "\n", __FILE__, ## arg) */
-#define dbg(format, arg...) printk(KERN_INFO "" format "\n", ## arg)
-
 static void setup_line(struct work_struct *work)
 {
 	struct oti6858_private *priv = container_of(work,