diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF7/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF7/hwdef.dat
index 19d8ed9de6..fa5616d79f 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF7/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF7/hwdef.dat
@@ -147,7 +147,3 @@ ROMFS_WILDCARD libraries/AP_OSD/fonts/font*.bin
 
 define BOARD_PWM_COUNT_DEFAULT 6
 define STM32_PWM_USE_ADVANCED TRUE
-
-# we are low on flash on this board
-define HAL_MINIMIZE_FEATURES 1
-define HAL_WITH_DSP 1
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/OMNIBUSF7V2/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/OMNIBUSF7V2/hwdef.dat
index 7794757d53..6dace8092a 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/OMNIBUSF7V2/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/OMNIBUSF7V2/hwdef.dat
@@ -131,6 +131,3 @@ BARO BMP280 SPI:bmp280
 define OSD_ENABLED 1
 define HAL_OSD_TYPE_DEFAULT 1
 ROMFS_WILDCARD libraries/AP_OSD/fonts/font*.bin
-
-# we are low on flash on this board
-define HAL_MINIMIZE_FEATURES 1