diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index e53d9a512c6d..2caaf5a2516d 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -32,7 +32,6 @@
 #include <linux/delay.h>
 
 #undef SERIAL_PARANOIA_CHECK
-#define SERIAL_DO_RESTART
 
 /* Set of debugging defines */
 
diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
index 14c54e041065..92982d7c0489 100644
--- a/drivers/tty/moxa.c
+++ b/drivers/tty/moxa.c
@@ -155,7 +155,6 @@ struct mon_str {
 #define LOWWAIT 	2
 #define EMPTYWAIT	3
 
-#define SERIAL_DO_RESTART
 
 #define WAKEUP_CHARS		256
 
diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c
index ffc7cb2585a6..c60a8d5e4020 100644
--- a/drivers/tty/serial/icom.c
+++ b/drivers/tty/serial/icom.c
@@ -22,7 +22,6 @@
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   *
   */
-#define SERIAL_DO_RESTART
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>