diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index fb6f27302935..83dc75be5bbc 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -6,7 +6,7 @@
  *
  * Email: olivier.lebaillif@ifrsys.com
  *
- * Copyright (C) 2004, 2006  Maciej W. Rozycki
+ * Copyright (C) 2004, 2006, 2007  Maciej W. Rozycki
  *
  * [31-AUG-98] triemer
  * Changed IRQ to use Harald's dec internals interrupts.h
@@ -32,26 +32,29 @@
 #define SUPPORT_SYSRQ
 #endif
 
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/compiler.h>
 #include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/module.h>
+#include <linux/serial.h>
+#include <linux/serial_core.h>
 #include <linux/sysrq.h>
 #include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/serial_core.h>
-#include <linux/serial.h>
 
 #include <asm/bootinfo.h>
+#include <asm/system.h>
+
 #include <asm/dec/interrupts.h>
 #include <asm/dec/kn01.h>
 #include <asm/dec/kn02.h>
 #include <asm/dec/machtype.h>
 #include <asm/dec/prom.h>
-#include <asm/irq.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
 
 #include "dz.h"