diff --git a/src/PPPOS.c b/src/PPPOS.c
index 2ac59f4..3ac487d 100644
--- a/src/PPPOS.c
+++ b/src/PPPOS.c
@@ -3,22 +3,14 @@
 #include <FreeRTOS.h>
 //#include "freertos/task.h"
 //#include "freertos/event_groups.h"
-#include "esp_system.h"
-#include "esp_wifi.h"
-#include "esp_event_loop.h"
-#include "esp_log.h"
-#include "nvs_flash.h"
-
-#include "driver/uart.h"
-#include "driver/gpio.h"
-#include "tcpip_adapter.h"
-#include "netif/ppp/pppos.h"
-#include "lwip/err.h"
-#include "lwip/sockets.h"
-#include "lwip/sys.h"
-#include "lwip/netdb.h"
-#include "lwip/dns.h"
-#include "netif/ppp/pppapi.h"
+#include <tcpip_adapter.h>
+#include <netif/ppp/pppos.h>
+#include <lwip/err.h>
+#include <lwip/sockets.h>
+#include <lwip/sys.h>
+#include <lwip/netdb.h>
+#include <lwip/dns.h>
+#include <netif/ppp/pppapi.h>
 #include "PPPOS.h"