diff --git a/lib/obp60task/OBP60Hardware.h b/lib/obp60task/OBP60Hardware.h
index 179af3d..6782546 100644
--- a/lib/obp60task/OBP60Hardware.h
+++ b/lib/obp60task/OBP60Hardware.h
@@ -72,6 +72,6 @@
     #define NUM_BACKLIGHT_LED 6     // Numebr of Backlight LEDs
     #define OBP_BACKLIGHT_LED 15    // GPIO port
     // Power Rail
-    #define OBP_POWER_50 5
+    #define OBP_POWER_50 5          // 5.0V power rail
 
 
diff --git a/variants/obp60s3/pins_arduino.h b/variants/obp60s3/pins_arduino.h
index b2eaa0d..36efbc0 100644
--- a/variants/obp60s3/pins_arduino.h
+++ b/variants/obp60s3/pins_arduino.h
@@ -12,11 +12,13 @@
 #define NUM_ANALOG_INPUTS       20
 
 // Multi Function Display OBP60 V2.0
+/*
 static const uint8_t LED_BUILTIN = SOC_GPIO_PIN_COUNT+48;
 #define BUILTIN_LED  LED_BUILTIN // backward compatibility
 #define LED_BUILTIN LED_BUILTIN
 #define RGB_BUILTIN LED_BUILTIN
 #define RGB_BRIGHTNESS 64
+*/
 
 #define analogInputToDigitalPin(p)  (((p)<20)?(analogChannelToDigitalPin(p)):-1)
 #define digitalPinToInterrupt(p)    (((p)<48)?(p):-1)