diff -up ksh-20080202/src/cmd/ksh93/data/builtins.c.builtins ksh-20080202/src/cmd/ksh93/data/builtins.c
--- ksh-20080202/src/cmd/ksh93/data/builtins.c.builtins	2008-10-01 09:24:46.000000000 +0200
+++ ksh-20080202/src/cmd/ksh93/data/builtins.c	2008-10-01 09:24:58.000000000 +0200
@@ -129,7 +129,6 @@ const struct shtable3 shtab_builtins[] =
 	CMDLIST(dirname)
 	CMDLIST(getconf)
 	CMDLIST(head)
-	CMDLIST(mkdir)
 	CMDLIST(logname)
 	CMDLIST(cat)
 	CMDLIST(cmp)