diff --git a/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
index 1792e036f6..b3156c750f 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
@@ -181,4 +181,8 @@ define AC_PRECLAND_COMPANION_ENABLED 1
 define AP_PROXIMITY_BACKEND_DEFAULT_ENABLED 0
 define AP_PROXIMITY_MAV_ENABLED 1
 
+# can't fit visual odometry cameras on!
+define AP_VISUALODOM_BACKEND_DEFAULT_ENABLED 0
+define AP_VISUALODOM_MAV_ENABLED 1
+
 AUTOBUILD_TARGETS Copter