diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4Mini/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4Mini/hwdef.dat
index 6a16d98855fef7..45a23fa0802598 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4Mini/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4Mini/hwdef.dat
@@ -41,7 +41,6 @@ define STM32_PWM_USE_ADVANCED TRUE
 
 # save some flash
 include ../include/save_some_flash.inc
-define AP_BATTERY_SMBUS_ENABLED 0
 define HAL_PARACHUTE_ENABLED 0
 define HAL_SPRAYER_ENABLED 0
 define HAL_MOUNT_ENABLED 0