diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CubeOrange/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/CubeOrange/hwdef.dat
index bdab8d5073..c0d6963784 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CubeOrange/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CubeOrange/hwdef.dat
@@ -22,7 +22,6 @@ FLASH_SIZE_KB 2048
 env OPTIMIZE -O2
 
 FLASH_RESERVE_START_KB 128
-FLASH_RESERVE_END_KB 128
 
 define HAL_STORAGE_SIZE 32768