diff --git a/components/bme280/bme280_sup.c b/components/bme280/bme280_sup.c
index 31f1969..eb9145f 100644
--- a/components/bme280/bme280_sup.c
+++ b/components/bme280/bme280_sup.c
@@ -1,7 +1,3 @@
-// implementations of all the stuff the Bosch BME280 reference code needs implemented 
-// in order to talk to an actual bme280 over i2c on esp32 in idf
-// -- github.com/epvuc 12/2017
-
 #include <string.h>
 #include <stdio.h>
 #include "freertos/FreeRTOS.h"
@@ -9,14 +5,14 @@
 #include "driver/i2c.h"
 #include "bme280.h"
 
-// pin numbers specific to this TTGO board
-#define SCL_PIN 22
+// pin numbers specific to this TTGO board with TFT screen
 #define SDA_PIN 21
+#define SCL_PIN 22
 
 int8_t user_i2c_read(uint8_t dev_addr, uint8_t reg_addr, uint8_t *reg_data, uint8_t cnt);
 int8_t user_i2c_write(uint8_t dev_addr, uint8_t reg_addr, uint8_t *reg_data, uint8_t cnt);
-int8_t stream_sensor_data_forced_mode(struct bme280_dev *dev);
-int8_t stream_sensor_data_normal_mode(struct bme280_dev *dev);
+/* int8_t stream_sensor_data_forced_mode(struct bme280_dev *dev); */
+/* int8_t stream_sensor_data_normal_mode(struct bme280_dev *dev); */
 void user_delay_ms(uint32_t ms);
 
 struct bme280_dev bme280;