diff --git a/usr.bin/telnet/krb4-proto.h b/usr.bin/telnet/krb4-proto.h
deleted file mode 100644
index 75f6d4122e94..000000000000
--- a/usr.bin/telnet/krb4-proto.h
+++ /dev/null
@@ -1,207 +0,0 @@
-#ifdef __STDC__
-# define	P(s) s
-#else
-# define P(s) ()
-#endif
-
-/* add_ticket.c */
-int add_ticket P((KTEXT , int , char *, int , char *, char *, char *, int , KTEXT ));
-
-/* cr_err_reply.c */
-void cr_err_reply P((KTEXT , char *, char *, char *, u_long , u_long , char *));
-
-/* create_auth_reply.c */
-KTEXT create_auth_reply P((char *, char *, char *, long , int , unsigned long , int , KTEXT ));
-
-/* create_ciph.c */
-int create_ciph P((KTEXT , C_Block , char *, char *, char *, unsigned long , int , KTEXT , unsigned long , C_Block ));
-
-/* create_death_packet.c */
-KTEXT krb_create_death_packet P((char *));
-
-/* create_ticket.c */
-int krb_create_ticket P((KTEXT , unsigned int , char *, char *, char *, long , char *, int , long , char *, char *, C_Block ));
-
-/* debug_decl.c */
-
-/* decomp_ticket.c */
-int decomp_ticket P((KTEXT , unsigned char *, char *, char *, char *, unsigned long *, C_Block , int *, unsigned long *, char *, char *, C_Block , Key_schedule ));
-
-/* dest_tkt.c */
-int dest_tkt P((void ));
-
-/* extract_ticket.c */
-int extract_ticket P((KTEXT , int , char *, int *, int *, char *, KTEXT ));
-
-/* fgetst.c */
-int fgetst P((FILE *, char *, int ));
-
-/* get_ad_tkt.c */
-int get_ad_tkt P((char *, char *, char *, int ));
-
-/* get_admhst.c */
-int krb_get_admhst P((char *, char *, int ));
-
-/* get_cred.c */
-int krb_get_cred P((char *, char *, char *, CREDENTIALS *));
-
-/* get_in_tkt.c */
-int krb_get_pw_in_tkt P((char *, char *, char *, char *, char *, int , char *));
-int placebo_read_password P((des_cblock *, char *, int ));
-int placebo_read_pw_string P((char *, int , char *, int ));
-
-/* get_krbhst.c */
-int krb_get_krbhst P((char *, char *, int ));
-
-/* get_krbrlm.c */
-int krb_get_lrealm P((char *, int ));
-
-/* get_phost.c */
-char *krb_get_phost P((char *));
-
-/* get_pw_tkt.c */
-int get_pw_tkt P((char *, char *, char *, char *));
-
-/* get_request.c */
-int get_request P((KTEXT , int , char **, char **));
-
-/* get_svc_in_tkt.c */
-int krb_get_svc_in_tkt P((char *, char *, char *, char *, char *, int , char *));
-
-/* get_tf_fullname.c */
-int krb_get_tf_fullname P((char *, char *, char *, char *));
-
-/* get_tf_realm.c */
-int krb_get_tf_realm P((char *, char *));
-
-/* getopt.c */
-int getopt P((int , char **, char *));
-
-/* getrealm.c */
-char *krb_realmofhost P((char *));
-
-/* getst.c */
-int getst P((int , char *, int ));
-
-/* in_tkt.c */
-int in_tkt P((char *, char *));
-
-/* k_gethostname.c */
-int k_gethostname P((char *, int ));
-
-/* klog.c */
-char *klog P((int , char *, int , int , int , int , int , int , int , int , int , int ));
-int kset_logfile P((char *));
-
-/* kname_parse.c */
-int kname_parse P((char *, char *, char *, char *));
-int k_isname P((char *));
-int k_isinst P((char *));
-int k_isrealm P((char *));
-
-/* kntoln.c */
-int krb_kntoln P((AUTH_DAT *, char *));
-
-/* krb_err_txt.c */
-
-/* krb_get_in_tkt.c */
-int krb_get_in_tkt P((char *, char *, char *, char *, char *, int , int (*key_proc )(), int (*decrypt_proc )(), char *));
-
-/* kuserok.c */
-int kuserok P((AUTH_DAT *, char *));
-
-/* log.c */
-void log P((char *, int , int , int , int , int , int , int , int , int , int ));
-int set_logfile P((char *));
-int new_log P((long , char *));
-
-/* mk_err.c */
-long krb_mk_err P((u_char *, long , char *));
-
-/* mk_priv.c */
-long krb_mk_priv P((u_char *, u_char *, u_long , Key_schedule , C_Block , struct sockaddr_in *, struct sockaddr_in *));
-
-/* mk_req.c */
-int krb_mk_req P((KTEXT , char *, char *, char *, long ));
-int krb_set_lifetime P((int ));
-
-/* mk_safe.c */
-long krb_mk_safe P((u_char *, u_char *, u_long , C_Block *, struct sockaddr_in *, struct sockaddr_in *));
-
-/* month_sname.c */
-char *month_sname P((int ));
-
-/* netread.c */
-int krb_net_read P((int , char *, int ));
-
-/* netwrite.c */
-int krb_net_write P((int , char *, int ));
-
-/* one.c */
-
-/* pkt_cipher.c */
-KTEXT pkt_cipher P((KTEXT ));
-
-/* pkt_clen.c */
-int pkt_clen P((KTEXT ));
-
-/* rd_err.c */
-int krb_rd_err P((u_char *, u_long , long *, MSG_DAT *));
-
-/* rd_priv.c */
-long krb_rd_priv P((u_char *, u_long , Key_schedule , C_Block , struct sockaddr_in *, struct sockaddr_in *, MSG_DAT *));
-
-/* rd_req.c */
-int krb_set_key P((char *, int ));
-int krb_rd_req P((KTEXT , char *, char *, long , AUTH_DAT *, char *));
-
-/* rd_safe.c */
-long krb_rd_safe P((u_char *, u_long , C_Block *, struct sockaddr_in *, struct sockaddr_in *, MSG_DAT *));
-
-/* read_service_key.c */
-int read_service_key P((char *, char *, char *, int , char *, char *));
-
-/* recvauth.c */
-int krb_recvauth P((long , int , KTEXT , char *, char *, struct sockaddr_in *, struct sockaddr_in *, AUTH_DAT *, char *, Key_schedule , char *));
-
-/* save_credentials.c */
-int save_credentials P((char *, char *, char *, C_Block , int , int , KTEXT , long ));
-
-/* send_to_kdc.c */
-int send_to_kdc P((KTEXT , KTEXT , char *));
-
-/* sendauth.c */
-int krb_sendauth P((long , int , KTEXT , char *, char *, char *, u_long , MSG_DAT *, CREDENTIALS *, Key_schedule , struct sockaddr_in *, struct sockaddr_in *, char *));
-int krb_sendsvc P((int , char *));
-
-/* setenv.c */
-int setenv P((char *, char *, int ));
-void unsetenv P((char *));
-char *getenv P((char *));
-char *_findenv P((char *, int *));
-
-/* stime.c */
-char *stime P((long *));
-
-/* tf_shm.c */
-int krb_shm_create P((char *));
-int krb_is_diskless P((void ));
-int krb_shm_dest P((char *));
-
-/* tf_util.c */
-int tf_init P((char *, int ));
-int tf_get_pname P((char *));
-int tf_get_pinst P((char *));
-int tf_get_cred P((CREDENTIALS *));
-int tf_close P((void ));
-int tf_save_cred P((char *, char *, char *, C_Block , int , int , KTEXT , long ));
-
-/* tkt_string.c */
-char *tkt_string P((void ));
-void krb_set_tkt_string P((char *));
-
-/* util.c */
-int ad_print P((AUTH_DAT *));
-int placebo_cblock_print P((des_cblock ));
-
-#undef P