--- src/lib/libc/include/unistd.h
+++ src/lib/libc/include/unistd.h
@@ -510,8 +510,6 @@
 int	 getresuid(uid_t *, uid_t *, uid_t *);
 char	*getusershell(void);
 int	 initgroups(const char *, gid_t);
-int	 iruserok(unsigned long, int, const char *, const char *);
-int	 iruserok_sa(const void *, int, int, const char *, const char *);
 int	 issetugid(void);
 long	 lpathconf(const char *, int);
 #ifndef _MKDTEMP_DECLARED
@@ -533,20 +531,12 @@
 #endif
 int	 nfssvc(int, void *);
 int	 profil(char *, size_t, vm_offset_t, int);
-int	 rcmd(char **, int, const char *, const char *, const char *, int *);
-int	 rcmd_af(char **, int, const char *,
-		const char *, const char *, int *, int);
-int	 rcmdsh(char **, int, const char *,
-		const char *, const char *, const char *);
 char	*re_comp(const char *);
 int	 re_exec(const char *);
 int	 reboot(int);
 int	 revoke(const char *);
 pid_t	 rfork(int);
 pid_t	 rfork_thread(int, void *, int (*)(void *), void *);
-int	 rresvport(int *);
-int	 rresvport_af(int *, int);
-int	 ruserok(const char *, int, const char *, const char *);
 #if __BSD_VISIBLE
 #ifndef _SELECT_DECLARED
 #define	_SELECT_DECLARED