diff --git a/src/classic/hfp.c b/src/classic/hfp.c
index 43d112523..b3d4372fa 100644
--- a/src/classic/hfp.c
+++ b/src/classic/hfp.c
@@ -155,22 +155,6 @@ void hfp_hf_drop_mSBC_if_eSCO_not_supported(uint8_t * codecs, uint8_t * codecs_n
     memcpy(codecs, tmp_codecs, tmp_codec_nr);
 }
 
-
-#if 0
-void hfp_set_codec(hfp_connection_t * hfp_connection, uint8_t *packet, uint16_t size){
-    // parse available codecs
-    int pos = 0;
-    int i;
-    for (i=0; i<size; i++){
-        pos+=8;
-        if (packet[pos] > hfp_connection->negotiated_codec){
-            hfp_connection->negotiated_codec = packet[pos];
-        }
-    }
-    printf("Negotiated Codec 0x%02x\n", hfp_connection->negotiated_codec);
-}
-#endif
-
 // UTILS
 int get_bit(uint16_t bitmap, int position){
     return (bitmap >> position) & 1;
diff --git a/src/classic/hfp_hf.c b/src/classic/hfp_hf.c
index e96dfaa68..3a80ab5ef 100644
--- a/src/classic/hfp_hf.c
+++ b/src/classic/hfp_hf.c
@@ -142,7 +142,6 @@ static void hfp_hf_emit_enhanced_call_status(btstack_packet_handler_t callback,
 static int has_codec_negotiation_feature(hfp_connection_t * hfp_connection){
     int hf = get_bit(hfp_supported_features, HFP_HFSF_CODEC_NEGOTIATION);
     int ag = get_bit(hfp_connection->remote_supported_features, HFP_AGSF_CODEC_NEGOTIATION);
-    printf("local %d, remote %d\n", hf, ag);
     return hf && ag;
 }
 
diff --git a/src/classic/hsp_ag.c b/src/classic/hsp_ag.c
index c7979f757..f1464fdc9 100644
--- a/src/classic/hsp_ag.c
+++ b/src/classic/hsp_ag.c
@@ -583,7 +583,6 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
 
     switch (event) {
         case HCI_EVENT_CONNECTION_REQUEST:
-            printf("hsp HCI_EVENT_CONNECTION_REQUEST\n");
             hci_event_connection_request_get_bd_addr(packet, sco_event_addr);
             ag_establish_sco = 1;
             break;