diff --git a/libraries/AP_HAL_ChibiOS/hwdef/MatekF405/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/MatekF405/hwdef.dat
index 7b6003c1ea..7edfd6546d 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/MatekF405/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/MatekF405/hwdef.dat
@@ -159,7 +159,7 @@ define BOARD_PWM_COUNT_DEFAULT 8
 # setup for OSD
 define OSD_ENABLED 1
 define HAL_OSD_TYPE_DEFAULT 1
-ROMFS_WILDCARD libraries/AP_OSD/fonts/font*.bin
+ROMFS_WILDCARD libraries/AP_OSD/fonts/font0.bin
 
 # disable SMBUS and fuel battery monitors to save flash
 define HAL_BATTMON_SMBUS_ENABLE 0
@@ -171,3 +171,8 @@ define HAL_SPRAYER_ENABLED 0
 
 # reduce max size of embedded params for apj_tool.py
 define AP_PARAM_MAX_EMBEDDED_PARAM 1024
+
+# save some flash
+define GENERATOR_ENABLED 0
+define AC_OAPATHPLANNER_ENABLED 0
+define PRECISION_LANDING 0