diff --git a/ports/nrf/boards/pca10056/mpconfigboard.h b/ports/nrf/boards/pca10056/mpconfigboard.h
index de4545d620..0f34516022 100644
--- a/ports/nrf/boards/pca10056/mpconfigboard.h
+++ b/ports/nrf/boards/pca10056/mpconfigboard.h
@@ -36,9 +36,6 @@
 #define PORT_HEAP_SIZE              (128 * 1024)
 #define CIRCUITPY_AUTORELOAD_DELAY_MS 500
 
-// Temp (could be removed) 0: usb cdc (default), 1 : hwuart (jlink)
-#define CFG_HWUART_FOR_SERIAL        0
-
 #define DEFAULT_I2C_BUS_SCL         (&pin_P0_27)
 #define DEFAULT_I2C_BUS_SDA         (&pin_P0_26)
 
diff --git a/ports/nrf/mphalport.c b/ports/nrf/mphalport.c
index 1e1ebf32e6..163ac8d60b 100644
--- a/ports/nrf/mphalport.c
+++ b/ports/nrf/mphalport.c
@@ -33,7 +33,7 @@
 
 #if (MICROPY_PY_BLE_NUS == 0)
 
-#if !defined( NRF52840_XXAA) || ( defined(CFG_HWUART_FOR_SERIAL) && CFG_HWUART_FOR_SERIAL == 1 )
+#if !defined( NRF52840_XXAA)
 int mp_hal_stdin_rx_chr(void) {
     uint8_t data = 0;
 
diff --git a/ports/nrf/supervisor/serial.c b/ports/nrf/supervisor/serial.c
index da7fe07fd3..18a45f10b9 100644
--- a/ports/nrf/supervisor/serial.c
+++ b/ports/nrf/supervisor/serial.c
@@ -32,7 +32,7 @@
 #include "nrf_gpio.h"
 #endif
 
-#if !defined( NRF52840_XXAA) || ( defined(CFG_HWUART_FOR_SERIAL) && CFG_HWUART_FOR_SERIAL == 1 )
+#if !defined( NRF52840_XXAA)
 
 #define INST_NO 0