diff -urNp ref/init/do_mounts.c 2.4.20pre7aa1/init/do_mounts.c
--- ref/init/do_mounts.c	Wed Sep 18 00:48:27 2002
+++ 2.4.20pre7aa1/init/do_mounts.c	Wed Sep 18 00:48:41 2002
@@ -23,9 +23,7 @@ extern int get_filesystem_list(char * bu
 extern asmlinkage long sys_mount(char *dev_name, char *dir_name, char *type,
 	 unsigned long flags, void *data);
 extern asmlinkage long sys_mkdir(const char *name, int mode);
-extern asmlinkage long sys_chdir(const char *name);
 extern asmlinkage long sys_fchdir(int fd);
-extern asmlinkage long sys_chroot(const char *name);
 extern asmlinkage long sys_unlink(const char *name);
 extern asmlinkage long sys_symlink(const char *old, const char *new);
 extern asmlinkage long sys_mknod(const char *name, int mode, dev_t dev);