diff --git a/include/osmocom/mgcp/mgcp_codec.h b/include/osmocom/mgcp/mgcp_codec.h
index 1f29b08..cfc8ecf 100644
--- a/include/osmocom/mgcp/mgcp_codec.h
+++ b/include/osmocom/mgcp/mgcp_codec.h
@@ -13,8 +13,7 @@
 void mgcp_codec_summary(struct mgcp_conn_rtp *conn);
 void mgcp_codec_reset_all(struct mgcp_conn_rtp *conn);
 int mgcp_codec_add(struct mgcp_conn_rtp *conn, int payload_type, const char *audio_name, const struct mgcp_codec_param *param);
-int mgcp_codec_decide(struct mgcp_conn_rtp *conn);
-struct mgcp_rtp_codec *mgcp_codec_find_convertible(struct mgcp_conn_rtp *conn, struct mgcp_rtp_codec *codec);
+int mgcp_codec_decide(struct mgcp_conn_rtp *conn_src, struct mgcp_conn_rtp *conn_dst);
 const struct mgcp_rtp_codec *mgcp_codec_pt_find_by_subtype_name(struct mgcp_conn_rtp *conn,
 								const char *subtype_name, unsigned int match_nr);
 bool mgcp_codec_amr_align_mode_is_indicated(const struct mgcp_rtp_codec *codec);
diff --git a/include/osmocom/mgcp/mgcp_trunk.h b/include/osmocom/mgcp/mgcp_trunk.h
index 33c3d5b..e608161 100644
--- a/include/osmocom/mgcp/mgcp_trunk.h
+++ b/include/osmocom/mgcp/mgcp_trunk.h
@@ -31,8 +31,6 @@
 	int audio_send_ptime;
 	int audio_send_name;
 
-	int no_audio_transcoding;
-
 	int omit_rtcp;
 	int keepalive_interval;