diff --git a/src/SystemConfiguration.c b/src/SystemConfiguration.c
index c9f2e1c..029e9be 100644
--- a/src/SystemConfiguration.c
+++ b/src/SystemConfiguration.c
@@ -57,11 +57,10 @@
 static SYS_CONFIG SysConfig;
 
 
-#define SPI_LOCK_TIMEOUT_MS (1000)
+
 #define NETWORK_START_TIMEOUT (60)
 
-SemaphoreHandle_t xSemaphoreSPIHandle = NULL;
-StaticSemaphore_t xSemaphoreSPIBuf;
+
 
 static int NetworkStartTimeout = 0;
 static bool isUserAppNeedReset = false;
@@ -181,33 +180,12 @@ static void InitSysIO(void)
 
 }
 
-void spi_device_init_custom(void)
-{
-    xSemaphoreSPIHandle = xSemaphoreCreateBinaryStatic(&xSemaphoreSPIBuf);
-    xSemaphoreGive(xSemaphoreSPIHandle);
-}
-
-esp_err_t spi_device_polling_transmit_synchronized(spi_device_handle_t handle, spi_transaction_t *trans_desc)
-{
-    esp_err_t res;
-    if (xSemaphoreTake(xSemaphoreSPIHandle,pdMS_TO_TICKS(SPI_LOCK_TIMEOUT_MS)) == pdTRUE)
-    {
-        res = spi_device_polling_transmit(handle, trans_desc);
-        xSemaphoreGive(xSemaphoreSPIHandle);
-    }
-    else
-    {
-        res = ESP_ERR_TIMEOUT;
-    }
-    return res;
-}
-
 static void InitSysSPI(void)
 {
 #ifdef CONFIG_WEBGUIAPP_SPI_ENABLE
 
 
-    spi_device_init_custom();
+    //spi_device_init_custom();
     spi_bus_config_t buscfg = {
             .miso_io_num = CONFIG_SPI_MISO_GPIO,
             .mosi_io_num = CONFIG_SPI_MOSI_GPIO,