diff --git a/include/NetTransport.h b/include/NetTransport.h
index 5b79d59..38f9c3b 100644
--- a/include/NetTransport.h
+++ b/include/NetTransport.h
@@ -29,7 +29,6 @@
 #include "freertos/event_groups.h"
 #include "mqtt_client.h"
 #include "esp_netif.h"
-//#include "esp_modem_api.h"
 #include "esp_log.h"
 
 typedef struct
diff --git a/src/GSMTransport.c b/src/GSMTransport.c
index 5bacda8..80def1a 100644
--- a/src/GSMTransport.c
+++ b/src/GSMTransport.c
@@ -202,8 +202,8 @@ static void GSMInitTask(void *pvParameter)
     }
     ESP_LOGI(TAG, "IMSI:%s", mod_info.imsi);
 
-    mod_info.oper[0] = 0x00;
-    while (esp_modem_get_operator_name(dce, mod_info.oper) != ESP_OK)
+    mod_info.oper[0] = 0x00; int tech = 0;
+    while (esp_modem_get_operator_name(dce, mod_info.oper, &tech) != ESP_OK)
     {
         if (++GSMConnectTimeout >= PPP_MODEM_TIMEOUT)
             goto modem_init_fail;
diff --git a/src/HTTPPostSystem.c b/src/HTTPPostSystem.c
index 6153109..d5cc803 100644
--- a/src/HTTPPostSystem.c
+++ b/src/HTTPPostSystem.c
@@ -182,7 +182,6 @@ static HTTP_IO_RESULT HTTPPostAdaptersSettings(httpd_req_t *req, char *PostData)
 
 #endif
 #if    CONFIG_WEBGUIAPP_GPRS_ENABLE
-    char tmp[32];
     bool TempIsGSMEnabled = false;
     if (httpd_query_key_value(PostData, "gsmen", tmp, sizeof(tmp)) == ESP_OK)
     {