diff --git a/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py b/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py
index dbad4d8f33ba6e..35254cf18db15a 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py
+++ b/libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py
@@ -882,7 +882,6 @@ def write_mcu_config(f):
 #define HAL_NO_RCIN_THREAD
 #define HAL_NO_SHARED_DMA FALSE
 #define HAL_NO_ROMFS_SUPPORT TRUE
-#define HAL_NO_FLASH_SUPPORT TRUE
 ''')
         if not env_vars['EXTERNAL_PROG_FLASH_MB']:
             f.write('''