diff --git a/drivers/serial/icom.h b/drivers/serial/icom.h
index 23dc0f7ddf8bb6712613ba0274374f609e1c4412..798f1ef237128e8e5d3a672247c8b53faab67bcd 100644
--- a/drivers/serial/icom.h
+++ b/drivers/serial/icom.h
@@ -286,5 +286,3 @@ struct lookup_int_table {
 	u32	__iomem *global_int_mask;
 	unsigned long	processor_id;
 };
-
-#define MSECS_TO_JIFFIES(ms) (((ms)*HZ+999)/1000)