diff --git a/boards/airfy-beacon/include/board.h b/boards/airfy-beacon/include/board.h
index 462f795582..fcf1decf0e 100644
--- a/boards/airfy-beacon/include/board.h
+++ b/boards/airfy-beacon/include/board.h
@@ -47,7 +47,7 @@
  * @name Define the boards stdio
  * @{
  */
-#define STDIO               UART_0
+#define STDIO               UART_DEV(0)
 #define STDIO_BAUDRATE      (115200U)
 #define STDIO_RX_BUFSIZE    (64U)
 /** @} */
diff --git a/boards/airfy-beacon/include/periph_conf.h b/boards/airfy-beacon/include/periph_conf.h
index a5879ae6ad..aa12c7bf8c 100644
--- a/boards/airfy-beacon/include/periph_conf.h
+++ b/boards/airfy-beacon/include/periph_conf.h
@@ -74,14 +74,11 @@
 
 /**
  * @name UART configuration
+ *
+ * The CPU only supports one UART device, so we keep it simple
  * @{
  */
 #define UART_NUMOF          (1U)
-#define UART_0_EN           1
-#define UART_IRQ_PRIO       1
-
-/* UART 0 device configuration */
-#define UART_DEV            NRF_UART0
 #define UART_PIN_RX         17
 #define UART_PIN_TX         18
 /** @} */