diff --git a/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
index b3156c750f..2f4c4efa29 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
@@ -185,4 +185,24 @@ define AP_PROXIMITY_MAV_ENABLED 1
 define AP_VISUALODOM_BACKEND_DEFAULT_ENABLED 0
 define AP_VISUALODOM_MAV_ENABLED 1
 
+// no OSD on SkyViper
+define OSD_ENABLED 0
+define OSD_PARAM_ENABLED 0
+
+// no MSP:
+define HAL_WITH_MSP_DISPLAYPORT 0
+define HAL_MSP_ENABLED 0
+
+// no UCP ADSB sensors:
+define HAL_ADSB_UCP_ENABLED 0
+
+// no auxiliary temperature sensors:
+define AP_TEMPERATURE_SENSOR_ENABLED 0
+
+// no LTM telemetry
+define AP_LTM_TELEM_ENABLED 0
+
+// no buttons on SkyViper:
+define HAL_BUTTON_ENABLED 0
+
 AUTOBUILD_TARGETS Copter