diff --git a/components/bt/bluedroid/bta/jv/bta_jv_act.c b/components/bt/bluedroid/bta/jv/bta_jv_act.c
index 531994bc5..f89ba3e0b 100644
--- a/components/bt/bluedroid/bta/jv/bta_jv_act.c
+++ b/components/bt/bluedroid/bta/jv/bta_jv_act.c
@@ -22,7 +22,6 @@
  *
  ******************************************************************************/
 
-#include <arpa/inet.h>
 #include <pthread.h>
 #include <stdlib.h>
 
diff --git a/components/driver/rtc_module.c b/components/driver/rtc_module.c
index 2cf891ae3..53fed89af 100644
--- a/components/driver/rtc_module.c
+++ b/components/driver/rtc_module.c
@@ -1,6 +1,9 @@
+// Copyright 2016-2018 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
-
+//
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
diff --git a/components/wpa_supplicant/component.mk b/components/wpa_supplicant/component.mk
index d2120dbc3..ae73ccf12 100644
--- a/components/wpa_supplicant/component.mk
+++ b/components/wpa_supplicant/component.mk
@@ -1,4 +1,4 @@
-COMPONENT_ADD_INCLUDEDIRS := include port/include ../esp32/include
+COMPONENT_ADD_INCLUDEDIRS := include port/include
 COMPONENT_SRCDIRS := src/crypto port src/fast_crypto src/wpa2/eap_peer src/wpa2/tls src/wpa2/utils src/wps
 
 CFLAGS += -DEMBEDDED_SUPP -DIEEE8021X_EAPOL -DEAP_PEER_METHOD -DEAP_MSCHAPv2 -DEAP_TTLS -DEAP_TLS -DEAP_PEAP -DUSE_WPA2_TASK -DCONFIG_WPS2 -DCONFIG_WPS_PIN -DUSE_WPS_TASK -DESPRESSIF_USE -DESP32_WORKAROUND -D__ets__ -Wno-strict-aliasing