diff --git a/k5_der.h b/k5_der.h
deleted file mode 100644
index 432cff307..000000000
--- a/k5_der.h
+++ /dev/null
@@ -1,138 +0,0 @@
-#include <der.h>
-#include <time.h>
-
-/*
- * Message types.
- */
-
-enum {
-  KRB_AS_REQ  = 10,
-  KRB_AS_REP  = 11,
-  KRB_TGS_REQ = 12,
-  KRB_TGS_REP = 13,
-  KRB_AP_REQ  = 14,
-  KRB_AP_REP  = 15,
-  KRB_SAFE    = 20,
-  KRB_PRIV    = 21,
-  KRB_CRED    = 22,
-  KRB_ENCASREPPART = 25,
-  KRB_ENCKDCREPPART = 26,
-  KRB_ERROR   = 30
-};
-
-/*
- * Application
- */
-
-enum {
-  APPL_TICKET = 1
-};
-
-struct KdcOptions {
-     unsigned
-	  reserved : 1,
-	  forwardable : 1,
-	  forwarded : 1,
-	  proxiable : 1,
-	  proxy : 1,
-	  allow_postdate : 1,
-	  postdated : 1,
-	  unused7 : 1,
-	  renewable : 1,
-	  unused9 : 1,
-	  unused10 : 1,
-	  unused11 : 1,
-	  renewable_ok : 1,
-	  enc_tkt_in_skey : 1,
-	  renew : 1,
-	  validate : 1;
-};
-
-typedef struct KdcOptions KdcOptions;
-
-struct  Kdc_Req {
-     int pvno;
-     int msg_type;
-     KdcOptions kdc_options;
-     krb5_principal cname;
-     krb5_realm realm;
-     krb5_principal sname;
-     krb5_time till;
-     int nonce;
-     unsigned num_etypes;
-     krb5_enctype *etypes;
-     krb5_addresses addrs;
-};
-
-typedef struct Kdc_Req Kdc_Req;
-
-typedef Kdc_Req As_Req;
-
-struct EncryptedData {
-     int etype;
-     int *kvno;
-     krb5_data cipher;
-};
-
-typedef struct EncryptedData EncryptedData;
-
-struct LastReq {
-     int number;
-     struct {
-	  int lr_type;
-	  krb5_time lr_value;
-     } *values;
-};
-
-typedef struct LastReq LastReq;
-
-struct TicketFlags {
-     unsigned forwardable:1,
-	  forwarded:1,
-	  proxiable:1,
-	  proxy:1,
-	  may_postdate:1,
-	  postdated:1,
-	  invalid:1,
-	  renewable:1,
-	  initial:1,
-	  pre_authent:1,
-	  hw_authent:1;
-};
-
-typedef struct TicketFlags TicketFlags;
-
-struct EncKdcRepPart {
-     krb5_keyblock key;
-     LastReq req;
-     int nonce;
-     krb5_time *key_expiration;
-     TicketFlags flags;
-     krb5_time authtime;
-     krb5_time *starttime;
-     krb5_time endtime;
-     krb5_time *renew_till;
-     krb5_realm srealm;
-     krb5_principal sname;
-     krb5_addresses caddr;
-};
-
-typedef struct EncKdcRepPart EncKdcRepPart;
-
-typedef EncKdcRepPart EncASRepPart;
-typedef EncKdcRepPart EncTGSRepPart;
-
-struct krb5_kdc_rep {
-     int pvno;
-     int msg_type;
-     krb5_realm realm;
-     krb5_principal cname;
-     krb5_ticket ticket;
-     EncryptedData enc_part;
-     EncASRepPart enc_part2;
-};
-
-typedef krb5_kdc_rep As_Rep;
-
-typedef krb5_kdc_rep Tgs_Rep;
-