--- linux-2.5.30/include/linux/serialP.h	2002-08-01 14:16:07.000000000 -0700
+++ linux/include/linux/serialP.h	2002-08-02 14:51:03.000000000 -0700
@@ -24,11 +24,7 @@
 #include <linux/tqueue.h>
 #include <linux/circ_buf.h>
 #include <linux/wait.h>
-#if (LINUX_VERSION_CODE < 0x020300)
-/* Unfortunate, but Linux 2.2 needs async_icount defined here and
- * it got moved in 2.3 */
 #include <linux/serial.h>
-#endif
 
 struct serial_state {
 	int	magic;