diff --git a/usr.sbin/inetd/builtins.c b/usr.sbin/inetd/builtins.c
index bf4413c87db6..d0988bec4f9b 100644
--- a/usr.sbin/inetd/builtins.c
+++ b/usr.sbin/inetd/builtins.c
@@ -52,21 +52,21 @@
 
 #include "inetd.h"
 
-void		chargen_dg __P((int, struct servtab *));
-void		chargen_stream __P((int, struct servtab *));
-void		daytime_dg __P((int, struct servtab *));
-void		daytime_stream __P((int, struct servtab *));
-void		discard_dg __P((int, struct servtab *));
-void		discard_stream __P((int, struct servtab *));
-void		echo_dg __P((int, struct servtab *));
-void		echo_stream __P((int, struct servtab *));
-static int	getline __P((int, char *, int));
-void		iderror __P((int, int, int, const char *));
-void		ident_stream __P((int, struct servtab *));
-void		initring __P((void));
-unsigned long	machtime __P((void));
-void		machtime_dg __P((int, struct servtab *));
-void		machtime_stream __P((int, struct servtab *));
+void		chargen_dg(int, struct servtab *);
+void		chargen_stream(int, struct servtab *);
+void		daytime_dg(int, struct servtab *);
+void		daytime_stream(int, struct servtab *);
+void		discard_dg(int, struct servtab *);
+void		discard_stream(int, struct servtab *);
+void		echo_dg(int, struct servtab *);
+void		echo_stream(int, struct servtab *);
+static int	getline(int, char *, int);
+void		iderror(int, int, int, const char *);
+void		ident_stream(int, struct servtab *);
+void		initring(void);
+unsigned long	machtime(void);
+void		machtime_dg(int, struct servtab *);
+void		machtime_stream(int, struct servtab *);
 
 char ring[128];
 char *endring;
diff --git a/usr.sbin/inetd/inetd.c b/usr.sbin/inetd/inetd.c
index 8f882af3cec9..60fa9406bd99 100644
--- a/usr.sbin/inetd/inetd.c
+++ b/usr.sbin/inetd/inetd.c
@@ -204,30 +204,30 @@ static const char rcsid[] =
 
 #define	SIGBLOCK	(sigmask(SIGCHLD)|sigmask(SIGHUP)|sigmask(SIGALRM))
 
-void		close_sep __P((struct servtab *));
-void		flag_signal __P((int));
-void		flag_config __P((int));
-void		config __P((void));
-int		cpmip __P((const struct servtab *, int));
-void		endconfig __P((void));
-struct servtab *enter __P((struct servtab *));
-void		freeconfig __P((struct servtab *));
-struct servtab *getconfigent __P((void));
-int		matchservent __P((const char *, const char *, const char *));
-char	       *nextline __P((FILE *));
-void		addchild __P((struct servtab *, int));
-void		flag_reapchild __P((int));
-void		reapchild __P((void));
-void		enable __P((struct servtab *));
-void		disable __P((struct servtab *));
-void		flag_retry __P((int));
-void		retry __P((void));
-int		setconfig __P((void));
-void		setup __P((struct servtab *));
+void		close_sep(struct servtab *);
+void		flag_signal(int);
+void		flag_config(int);
+void		config(void);
+int		cpmip(const struct servtab *, int);
+void		endconfig(void);
+struct servtab *enter(struct servtab *);
+void		freeconfig(struct servtab *);
+struct servtab *getconfigent(void);
+int		matchservent(const char *, const char *, const char *);
+char	       *nextline(FILE *);
+void		addchild(struct servtab *, int);
+void		flag_reapchild(int);
+void		reapchild(void);
+void		enable(struct servtab *);
+void		disable(struct servtab *);
+void		flag_retry(int);
+void		retry(void);
+int		setconfig(void);
+void		setup(struct servtab *);
 #ifdef IPSEC
-void		ipsecsetup __P((struct servtab *));
+void		ipsecsetup(struct servtab *);
 #endif
-void		unregisterrpc __P((register struct servtab *sep));
+void		unregisterrpc(register struct servtab *sep);
 
 int	allow_severity;
 int	deny_severity;
diff --git a/usr.sbin/inetd/inetd.h b/usr.sbin/inetd/inetd.h
index 116f1da41961..1e0f088acc9f 100644
--- a/usr.sbin/inetd/inetd.h
+++ b/usr.sbin/inetd/inetd.h
@@ -110,19 +110,19 @@ struct	servtab {
 #define	se_nomapped		se_flags.se_nomapped
 #define	se_reset		se_flags.se_reset
 
-int		check_loop __P((const struct sockaddr *, const struct servtab *sep));
-int		getvalue __P((const char *, int *, const char *));
-char	       *newstr __P((const char *));
-void		inetd_setproctitle __P((const char *, int));
-void		print_service __P((const char *, const struct servtab *));
-char	       *sskip __P((char **));
-char	       *skip __P((char **));
-struct servtab *tcpmux __P((int));
+int		check_loop(const struct sockaddr *, const struct servtab *sep);
+int		getvalue(const char *, int *, const char *);
+char	       *newstr(const char *);
+void		inetd_setproctitle(const char *, int);
+void		print_service(const char *, const struct servtab *);
+char	       *sskip(char **);
+char	       *skip(char **);
+struct servtab *tcpmux(int);
 
 extern int	 debug;
 extern struct servtab *servtab;
 
-typedef void (bi_fn_t) __P((int, struct servtab *));
+typedef void (bi_fn_t)(int, struct servtab *);
 
 struct biltin {
 	const char *bi_service;		/* internally provided service name */