diff --git a/src/btstack_defines.h b/src/btstack_defines.h
index d26808a80..b59509a3f 100644
--- a/src/btstack_defines.h
+++ b/src/btstack_defines.h
@@ -754,11 +754,10 @@ typedef uint8_t sm_key_t[16];
 #define GATT_EVENT_CAN_WRITE_WITHOUT_RESPONSE                    0xAC
 
 /** 
- * @format 1BH2
+ * @format 1BH
  * @param address_type
  * @param address
  * @param handle
- * @param l2cap_cid if BR/EDR bearer
  */    
 #define ATT_EVENT_CONNECTED                                      0xB3
 
diff --git a/src/btstack_event.h b/src/btstack_event.h
index cbc194a09..b5fbf4370 100644
--- a/src/btstack_event.h
+++ b/src/btstack_event.h
@@ -2233,15 +2233,6 @@ static inline void att_event_connected_get_address(const uint8_t * event, bd_add
 static inline hci_con_handle_t att_event_connected_get_handle(const uint8_t * event){
     return little_endian_read_16(event, 9);
 }
-/**
- * @brief Get field l2cap_cid from event ATT_EVENT_CONNECTED
- * @param event packet
- * @return l2cap_cid
- * @note: btstack_type 2
- */
-static inline uint16_t att_event_connected_get_l2cap_cid(const uint8_t * event){
-    return little_endian_read_16(event, 11);
-}
 
 /**
  * @brief Get field handle from event ATT_EVENT_DISCONNECTED