diff --git a/lib/krb5/keytab.c b/lib/krb5/keytab.c
index 9873cb972..5e0faf314 100644
--- a/lib/krb5/keytab.c
+++ b/lib/krb5/keytab.c
@@ -112,6 +112,7 @@ krb5_kt_read_service_key(krb5_context context,
   return r;
 }
 
+#if 0 /* not implemented */
 krb5_error_code
 krb5_kt_remove_entry(krb5_context context,
 		     krb5_keytab id,
@@ -119,6 +120,7 @@ krb5_kt_remove_entry(krb5_context context,
 {
     abort();
 }
+#endif
 
 krb5_error_code
 krb5_kt_get_name(krb5_context context,
diff --git a/lib/krb5/principal.c b/lib/krb5/principal.c
index 38f60386e..5cac5e4dd 100644
--- a/lib/krb5/principal.c
+++ b/lib/krb5/principal.c
@@ -219,6 +219,8 @@ krb5_unparse_name(krb5_context context,
 }
 
 
+#if 0 /* not implemented */
+
 krb5_error_code
 krb5_unparse_name_ext(krb5_context context,
 		      krb5_const_principal principal,
@@ -229,6 +231,7 @@ krb5_unparse_name_ext(krb5_context context,
     abort();
 }
 
+#endif
 
 krb5_realm*
 krb5_princ_realm(krb5_context context,