diff -urNp ref/arch/um/include/2_5compat.h 2.4.20pre5aa1/arch/um/include/2_5compat.h
--- ref/arch/um/include/2_5compat.h	Fri Aug 30 07:17:40 2002
+++ 2.4.20pre5aa1/arch/um/include/2_5compat.h	Fri Aug 30 07:17:52 2002
@@ -10,7 +10,6 @@
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
 
-#define mk_kdev(maj, min) MKDEV(maj, min)
 #define INIT_CONSOLE(dev_name, write_proc, device_proc, setup_proc, f) { \
 	name :		dev_name, \
 	write :		write_proc, \