diff --git a/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c b/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
index 4fd61fa58..b62964c04 100644
--- a/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
+++ b/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
@@ -31,36 +31,6 @@
 
 static bme280_handle_t sensor = NULL;
 
-static esp_err_t bme280_read_raw_temperature(uint8_t device_address, uint8_t *raw_temperature) {
-    // BME280_INIT_VALUE LN 136
-    // BME280_TEMPERATURE_MSB_REG 0xFA
-    // BME280_TEMPERATURE_DATA_LENGTH
-    // BME280_TEMPERATURE_DATA_SIZE
-    // I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS
-
-    esp_err_t command_result;
-    //unsigned char raw_temperature[BME280_TEMPERATURE_DATA_SIZE] = {0, 0, 0};
-    //command_result = i2c_master_read_from_device(0, BME280_I2C_ADDRESS1, *raw_temperature, BME280_TEMPERATURE_DATA_SIZE, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
-    command_result = i2c_master_write_read_device(0, device_address, *raw_temperature, BME280_TEMPERATURE_DATA_SIZE, BME280_TEMPERATURE_REGISTER, 1, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
-    return command_result;
-}
-static esp_err_t i2c_driver_initialize(void)
-{
-    int i2c_master_port = 0;
-
-    i2c_config_t conf = {
-        .mode = I2C_MODE_MASTER,
-        .sda_io_num = GPIO_NUM_21,
-        .sda_pullup_en = GPIO_PULLUP_ENABLE,
-        .scl_io_num = GPIO_NUM_22,
-        .sda_pullup_en = GPIO_PULLUP_ENABLE,
-        .master.clk_speed = I2C_MASTER_FREQ_HZ,
-        .clk_flags= 0,
-    };
-
-    return i2c_param_config(i2c_master_port, &conf);
-}
-
 void app_main(void)
 {
     printf("Hello world!\n");