diff --git a/libraries/AP_HAL/AP_HAL_Boards.h b/libraries/AP_HAL/AP_HAL_Boards.h
index 62646a2142..9455065cd1 100644
--- a/libraries/AP_HAL/AP_HAL_Boards.h
+++ b/libraries/AP_HAL/AP_HAL_Boards.h
@@ -207,6 +207,10 @@
 #define HAL_WITH_UAVCAN 0
 #endif
 
+#ifndef HAL_RCINPUT_WITH_AP_RADIO
+#define HAL_RCINPUT_WITH_AP_RADIO 0
+#endif
+
 #ifndef HAL_WITH_IO_MCU
 #define HAL_WITH_IO_MCU 0
 #endif
diff --git a/libraries/AP_HAL/board/px4.h b/libraries/AP_HAL/board/px4.h
index c872f9e25c..7583d92bcd 100644
--- a/libraries/AP_HAL/board/px4.h
+++ b/libraries/AP_HAL/board/px4.h
@@ -106,15 +106,6 @@
 #define HAL_PX4_HAVE_PWM_INPUT 0
 #endif
 
-/* AP_Radio configuration */
-
-#ifdef HAL_RCINPUT_WITH_AP_RADIO
-// this is the SPI bus for cypress on the skyviper-v2450
-# define CYRF_SPI_PX4_SPI_BUS        2
-# define CYRF_SPI_PX4_SPIDEV_EXT     (spi_dev_e)1
-# define CYRF_IRQ_INPUT (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTD|GPIO_PIN15)
-#endif // HAL_RCINPUT_WITH_AP_RADIO
-
 /* default values */
 #ifndef HAL_SERIAL0_BAUD_DEFAULT
 #define HAL_SERIAL0_BAUD_DEFAULT 115200