diff -urNp x-ref/include/asm-um/unistd.h x/include/asm-um/unistd.h
--- x-ref/include/asm-um/unistd.h	2003-02-14 05:18:08.000000000 +0100
+++ x/include/asm-um/unistd.h	2003-02-14 05:18:10.000000000 +0100
@@ -22,8 +22,6 @@ extern long sys_mount(char *dev_name, ch
 extern long sys_select(int n, fd_set *inp, fd_set *outp, fd_set *exp, 
 		       struct timeval *tvp);
 extern long sys_lseek(unsigned int fildes, unsigned long offset, int whence);
-extern long sys_read(unsigned int fildes, char *buf, int len);
-extern long sys_write(unsigned int fildes, char *buf, int len);
 
 #ifdef __KERNEL_SYSCALLS__