diff --git a/components/esp32/component.mk b/components/esp32/component.mk
index 223c955d5..ca91059f7 100644
--- a/components/esp32/component.mk
+++ b/components/esp32/component.mk
@@ -10,7 +10,7 @@
 
 COMPONENT_SRCDIRS := . hwcrypto
 
-LIBS := crypto core net80211 phy rtc pp wpa wps
+LIBS := crypto core net80211 phy rtc pp wpa
 
 LINKER_SCRIPTS += -T esp32_out.ld -T esp32.common.ld -T esp32.rom.ld -T esp32.peripherals.ld
 
diff --git a/components/esp32/include/esp_wps.h b/components/esp32/include/esp_wps.h
deleted file mode 100644
index b37fe542e..000000000
--- a/components/esp32/include/esp_wps.h
+++ /dev/null
@@ -1,131 +0,0 @@
-// Copyright 2015-2016 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
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef __ESP_WPS_H__
-#define __ESP_WPS_H__
-
-#include <stdbool.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/** \defgroup WiFi_APIs WiFi Related APIs
-  * @brief WiFi APIs
-  */
-
-/** @addtogroup WiFi_APIs
-  * @{
-  */
-
-/** \defgroup WPS_APIs  WPS APIs
-  * @brief ESP32 WPS APIs
-  *
-  * WPS can only be used when ESP32 station is enabled.
-  *
-  */
-
-/** @addtogroup WPS_APIs
-  * @{
-  */
-
-typedef enum wps_type {
-    WPS_TYPE_DISABLE = 0,
-    WPS_TYPE_PBC,
-    WPS_TYPE_PIN,
-    WPS_TYPE_DISPLAY,
-    WPS_TYPE_MAX,
-} WPS_TYPE_t;
-
-enum wps_cb_status {
-    WPS_CB_ST_SUCCESS = 0,     /**< WPS succeed */
-    WPS_CB_ST_FAILED,          /**< WPS fail */
-    WPS_CB_ST_TIMEOUT,         /**< WPS timeout, fail */
-    WPS_CB_ST_WEP,             /**< WPS failed because that WEP is not supported */
-    WPS_CB_ST_SCAN_ERR,        /**< can not find the target WPS AP */
-};
-
-/**
-  * @brief     Enable Wi-Fi WPS function.
-  *
-  * @attention WPS can only be used when ESP32 station is enabled.
-  *
-  * @param     WPS_TYPE_t wps_type : WPS type, so far only WPS_TYPE_PBC is supported
-  *
-  * @return    true  : succeed
-  * @return    false : fail
-  */
-bool wifi_wps_enable(WPS_TYPE_t wps_type);
-
-/**
-  * @brief  Disable Wi-Fi WPS function and release resource it taken.
-  *
-  * @param  null
-  *
-  * @return true  : succeed
-  * @return false : fail
-  */
-bool wifi_wps_disable(void);
-
-/**
-  * @brief     WPS starts to work.
-  *
-  * @attention WPS can only be used when ESP32 station is enabled.
-  *
-  * @param     null
-  *
-  * @return    true  : WPS starts to work successfully, but does not mean WPS succeed.
-  * @return    false : fail
-  */
-bool wifi_wps_start(void);
-
-/**
-  * @brief  WPS callback.
-  *
-  * @param  int status : status of WPS, enum wps_cb_status.
-  *    -  If parameter status == WPS_CB_ST_SUCCESS in WPS callback, it means WPS got AP's
-  *       information, user can call wifi_wps_disable to disable WPS and release resource,
-  *       then call wifi_station_connect to connect to target AP.
-  *    -  Otherwise, it means that WPS fail, user can create a timer to retry WPS by
-  *       wifi_wps_start after a while, or call wifi_wps_disable to disable WPS and release resource.
-  *
-  * @return null
-  */
-typedef void (*wps_st_cb_t)(int status);
-
-/**
-  * @brief     Set WPS callback.
-  *
-  * @attention WPS can only be used when ESP32 station is enabled.
-  *
-  * @param     wps_st_cb_t cb : callback.
-  *
-  * @return    true  : WPS starts to work successfully, but does not mean WPS succeed.
-  * @return    false : fail
-  */
-bool wifi_set_wps_cb(wps_st_cb_t cb);
-
-/**
-  * @}
-  */
-
-/**
-  * @}
-  */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __ESP_WPS_H__ */
diff --git a/components/esp32/lib b/components/esp32/lib
index 3853d7ae3..a1e5f8b95 160000
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit 3853d7ae3dd455492ff4ed663662d42d28c817e4
+Subproject commit a1e5f8b953c7934677ba7a6ed0a6dd2da0e6bd0f