diff --git a/Arduino_package/hardware/variants/datalogger_amb26/variant.cpp b/Arduino_package/hardware/variants/datalogger_amb26/variant.cpp
index 47f99af7..e6beaa50 100644
--- a/Arduino_package/hardware/variants/datalogger_amb26/variant.cpp
+++ b/Arduino_package/hardware/variants/datalogger_amb26/variant.cpp
@@ -36,11 +36,7 @@ PinDescription g_APinDescription[TOTAL_GPIO_PIN_NUM]=
     {PA_14, TYPE_DIGITAL,               PIO_GPIO | PIO_GPIO_IRQ                                                  | PIO_SPI, MODE_NOT_INITIAL}, // AMB_D1
     {PA_13, TYPE_DIGITAL,               PIO_GPIO | PIO_GPIO_IRQ | PIO_PWM                   | PIO_UART           | PIO_SPI, MODE_NOT_INITIAL}, // AMB_D2
     {PA_12, TYPE_DIGITAL,               PIO_GPIO | PIO_GPIO_IRQ | PIO_PWM                   | PIO_UART           | PIO_SPI, MODE_NOT_INITIAL}, // AMB_D3
-#ifdef BOARD_AMB26
     {NC,    NOT_INITIAL,                NOT_INITIAL                                                                       , MODE_NOT_INITIAL}, // AMB_D4
-#else
-    {PA_30, TYPE_DIGITAL,               PIO_GPIO | PIO_GPIO_IRQ | PIO_PWM                                                 , MODE_NOT_INITIAL}, // AMB_D4
-#endif
     {PA_28, TYPE_DIGITAL,               PIO_GPIO | PIO_GPIO_IRQ | PIO_PWM                                                 , MODE_NOT_INITIAL}, // AMB_D5
     {PA_26, TYPE_DIGITAL,               PIO_GPIO | PIO_GPIO_IRQ | PIO_PWM          | PIO_IR            | PIO_I2C          , MODE_NOT_INITIAL}, // AMB_D6
     {PA_25, TYPE_DIGITAL,               PIO_GPIO | PIO_GPIO_IRQ | PIO_PWM          | PIO_IR            | PIO_I2C          , MODE_NOT_INITIAL}, // AMB_D7
diff --git a/Arduino_package/hardware/variants/datalogger_amb26/variant.h b/Arduino_package/hardware/variants/datalogger_amb26/variant.h
index 91e2e282..58d711bd 100644
--- a/Arduino_package/hardware/variants/datalogger_amb26/variant.h
+++ b/Arduino_package/hardware/variants/datalogger_amb26/variant.h
@@ -96,10 +96,7 @@ extern void wait_for_debug(void);
 #define A6                                      AMB_D9  // PB_3 3.3V    CH6
 
 /* LED pin mapping */
-#define LED_G                                   AMB_D3  // Green
-#define LED_R                                   AMB_D2  // Red
-#define LED_B                                   AMB_D1  // Blue
-#define LED_BUILTIN                             LED_G   // Green
+#define LED_BUILTIN                             NC
 
 /* ADC/DAC pin mapping */
 #define FEATURE_ADC