diff --git a/components/bt/bluedroid/stack/l2cap/l2c_api.c b/components/bt/bluedroid/stack/l2cap/l2c_api.c
index ef2517142d..a9f4b891fb 100644
--- a/components/bt/bluedroid/stack/l2cap/l2c_api.c
+++ b/components/bt/bluedroid/stack/l2cap/l2c_api.c
@@ -2381,7 +2381,6 @@ void l2ble_update_att_acl_pkt_num(UINT8 type, tl2c_buff_param_t *param)
     default:
         break;
     }
-    xSemaphoreGive(buff_semaphore);
 }
 #endif