diff --git a/usr.sbin/rtsold/rtsold.c b/usr.sbin/rtsold/rtsold.c
index ba0119163bb9..7fb27d5a0102 100644
--- a/usr.sbin/rtsold/rtsold.c
+++ b/usr.sbin/rtsold/rtsold.c
@@ -97,6 +97,8 @@ static int do_dump;
 static const char *dumpfilename = RTSOL_DUMPFILE;
 #endif
 
+static char **autoifprobe(void);
+static int ifconfig(char *ifname);
 static int make_packet(struct ifinfo *);
 static struct timespec *rtsol_check_timer(void);
 
@@ -325,7 +327,7 @@ main(int argc, char **argv)
 	return (0);
 }
 
-int
+static int
 ifconfig(char *ifname)
 {
 	struct ifinfo *ifi;
@@ -775,7 +777,7 @@ warnmsg(int priority, const char *func, const char *msg, ...)
 /*
  * return a list of interfaces which is suitable to sending an RS.
  */
-char **
+static char **
 autoifprobe(void)
 {
 	static char **argv = NULL;
diff --git a/usr.sbin/rtsold/rtsold.h b/usr.sbin/rtsold/rtsold.h
index 7af0441d2d64..0c0acea5cded 100644
--- a/usr.sbin/rtsold/rtsold.h
+++ b/usr.sbin/rtsold/rtsold.h
@@ -157,14 +157,12 @@ extern int Fflag;
 extern int uflag;
 extern const char *otherconf_script;
 extern const char *resolvconf_script;
-extern int ifconfig(char *);
 extern void iflist_init(void);
 struct ifinfo *find_ifinfo(int);
 struct rainfo *find_rainfo(struct ifinfo *, struct sockaddr_in6 *);
 void rtsol_timer_update(struct ifinfo *);
 extern void warnmsg(int, const char *, const char *, ...)
      __attribute__((__format__(__printf__, 3, 4)));
-extern char **autoifprobe(void);
 extern int ra_opt_handler(struct ifinfo *);
 
 /* if.c */