diff --git a/platforms/arduino/btstack-config.h b/platforms/arduino/btstack-config.h
index ac43a15d1..db1ad9aae 100644
--- a/platforms/arduino/btstack-config.h
+++ b/platforms/arduino/btstack-config.h
@@ -1,3 +1,6 @@
+#ifndef __BTSTACK_CONFIG
+#define __BTSTACK_CONFIG
+
 #define EMBEDDED
 
 // #define HAVE_INIT_SCRIPT
@@ -27,4 +30,8 @@
 #define MAX_NO_DB_MEM_DEVICE_NAMES 0
 #define MAX_NO_DB_MEM_SERVICES 0
 #define MAX_NO_GATT_CLIENTS 1
-#define MAX_ATT_DB_SIZE 200
\ No newline at end of file
+#define MAX_ATT_DB_SIZE 200
+#define MAX_NO_HFP_CONNECTIONS 0
+
+
+#endif
\ No newline at end of file
diff --git a/platforms/msp-exp430f5438-cc2564b/btstack-config.h b/platforms/msp-exp430f5438-cc2564b/btstack-config.h
index dedd58403..ad50bebe0 100644
--- a/platforms/msp-exp430f5438-cc2564b/btstack-config.h
+++ b/platforms/msp-exp430f5438-cc2564b/btstack-config.h
@@ -34,6 +34,7 @@
 #define MAX_NO_DB_MEM_DEVICE_LINK_KEYS  2
 #define MAX_NO_DB_MEM_DEVICE_NAMES 0
 #define MAX_NO_DB_MEM_SERVICES 1
+#define MAX_NO_HFP_CONNECTIONS 0
 
 #endif
 
diff --git a/platforms/msp430f5229lp-cc2564b/btstack-config.h b/platforms/msp430f5229lp-cc2564b/btstack-config.h
index dedd58403..ad50bebe0 100644
--- a/platforms/msp430f5229lp-cc2564b/btstack-config.h
+++ b/platforms/msp430f5229lp-cc2564b/btstack-config.h
@@ -34,6 +34,7 @@
 #define MAX_NO_DB_MEM_DEVICE_LINK_KEYS  2
 #define MAX_NO_DB_MEM_DEVICE_NAMES 0
 #define MAX_NO_DB_MEM_SERVICES 1
+#define MAX_NO_HFP_CONNECTIONS 0
 
 #endif
 
diff --git a/src/hfp_hf.c b/src/hfp_hf.c
index 8a299fc3b..894e590ff 100644
--- a/src/hfp_hf.c
+++ b/src/hfp_hf.c
@@ -65,7 +65,6 @@ static const char default_hfp_hf_service_name[] = "Hands-Free unit";
 
 
 static void hfp_run();
-static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
 
 void hfp_hf_create_service(uint8_t * service, int rfcomm_channel_nr, const char * name, uint16_t supported_features){
     if (!name){
@@ -96,11 +95,5 @@ void hfp_hf_disconnect(){
 static void hfp_run(void){
 }
 
-static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
-    // printf("packet_handler type %u, packet[0] %x\n", packet_type, packet[0]);
-    if (packet_type == RFCOMM_DATA_PACKET){
-    }
 
-    if (packet_type != HCI_EVENT_PACKET) return;
-}