if (strstr("None", authtype))
                return 1;
-#ifdef CANSRP
-       else if (strstr("SRP", authtype))
-               return srp_main_loop(conn, auth, in_buf, out_buf,
-                               &in_length, out_length);
-#endif
        else if (strstr("CHAP", authtype))
                return chap_main_loop(conn, auth, in_buf, out_buf,
                                &in_length, out_length);
-       else if (strstr("SPKM1", authtype))
-               return 2;
-       else if (strstr("SPKM2", authtype))
-               return 2;
-       else if (strstr("KRB5", authtype))
-               return 2;
-       else
-               return 2;
+       /* SRP, SPKM1, SPKM2 and KRB5 are unsupported */
+       return 2;
 }
 
 static void iscsi_remove_failed_auth_entry(struct iscsi_conn *conn)