diff --git a/libraries/AP_EFI/AP_EFI_DroneCAN.h b/libraries/AP_EFI/AP_EFI_DroneCAN.h
index 35c02d5e37..d1ec432ccc 100644
--- a/libraries/AP_EFI/AP_EFI_DroneCAN.h
+++ b/libraries/AP_EFI/AP_EFI_DroneCAN.h
@@ -3,10 +3,6 @@
 #include "AP_EFI.h"
 #include "AP_EFI_Backend.h"
 
-#ifndef HAL_EFI_DRONECAN_ENABLED
-#define HAL_EFI_DRONECAN_ENABLED HAL_MAX_CAN_PROTOCOL_DRIVERS && BOARD_FLASH_SIZE > 1024 && HAL_CANMANAGER_ENABLED
-#endif
-
 #if HAL_EFI_DRONECAN_ENABLED
 #include <AP_UAVCAN/AP_UAVCAN.h>
 #include <uavcan/equipment/ice/reciprocating/Status.hpp>
diff --git a/libraries/AP_EFI/AP_EFI_config.h b/libraries/AP_EFI/AP_EFI_config.h
index 37669582f6..c85584373a 100644
--- a/libraries/AP_EFI/AP_EFI_config.h
+++ b/libraries/AP_EFI/AP_EFI_config.h
@@ -6,6 +6,14 @@
 #define HAL_EFI_ENABLED !HAL_MINIMIZE_FEATURES && BOARD_FLASH_SIZE > 1024
 #endif
 
-#ifndef AP_EFI_SCRIPTING_ENABLED
-#define AP_EFI_SCRIPTING_ENABLED (HAL_EFI_ENABLED && AP_SCRIPTING_ENABLED)
+#ifndef AP_EFI_BACKEND_DEFAULT_ENABLED
+#define AP_EFI_BACKEND_DEFAULT_ENABLED HAL_EFI_ENABLED
+#endif
+
+#ifndef HAL_EFI_DRONECAN_ENABLED
+#define HAL_EFI_DRONECAN_ENABLED AP_EFI_BACKEND_DEFAULT_ENABLED && HAL_MAX_CAN_PROTOCOL_DRIVERS && BOARD_FLASH_SIZE > 1024 && HAL_CANMANAGER_ENABLED
+#endif
+
+#ifndef AP_EFI_SCRIPTING_ENABLED
+#define AP_EFI_SCRIPTING_ENABLED (AP_EFI_BACKEND_DEFAULT_ENABLED && AP_SCRIPTING_ENABLED)
 #endif