diff -urN uml-ref/arch/um/kernel/sys_call_table.c uml/arch/um/kernel/sys_call_table.c
--- uml-ref/arch/um/kernel/sys_call_table.c	Tue Jul 10 17:58:59 2001
+++ uml/arch/um/kernel/sys_call_table.c	Tue Jul 10 17:59:15 2001
@@ -12,12 +12,9 @@
 extern syscall_handler_t sys_ni_syscall;
 extern syscall_handler_t sys_exit;
 extern syscall_handler_t sys_fork;
-extern syscall_handler_t sys_read;
-extern syscall_handler_t sys_write;
 extern syscall_handler_t sys_creat;
 extern syscall_handler_t sys_link;
 extern syscall_handler_t sys_unlink;
-extern syscall_handler_t sys_chdir;
 extern syscall_handler_t sys_mknod;
 extern syscall_handler_t sys_chmod;
 extern syscall_handler_t sys_lchown16;
@@ -56,15 +53,12 @@
 extern syscall_handler_t sys_umount;
 extern syscall_handler_t sys_ni_syscall;
 extern syscall_handler_t sys_ioctl;
-extern syscall_handler_t sys_fcntl;
 extern syscall_handler_t sys_ni_syscall;
 extern syscall_handler_t sys_setpgid;
 extern syscall_handler_t sys_ni_syscall;
 extern syscall_handler_t sys_olduname;
 extern syscall_handler_t sys_umask;
-extern syscall_handler_t sys_chroot;
 extern syscall_handler_t sys_ustat;
-extern syscall_handler_t sys_dup2;
 extern syscall_handler_t sys_getppid;
 extern syscall_handler_t sys_getpgrp;
 extern syscall_handler_t sys_sigaction;