diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
index b72693e300c1..c6d01b800d3c 100644
--- a/drivers/staging/greybus/uart.c
+++ b/drivers/staging/greybus/uart.c
@@ -23,7 +23,6 @@
 #include <linux/serial.h>
 #include <linux/tty_driver.h>
 #include <linux/tty_flip.h>
-#include <linux/serial.h>
 #include <linux/idr.h>
 #include <linux/fs.h>
 #include <linux/kdev_t.h>