diff --git a/libraries/AP_HAL/board/px4.h b/libraries/AP_HAL/board/px4.h
index 86aac17f64..d0ea1ca808 100644
--- a/libraries/AP_HAL/board/px4.h
+++ b/libraries/AP_HAL/board/px4.h
@@ -15,6 +15,7 @@
 #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1
 #define CONFIG_HAL_BOARD_SUBTYPE HAL_BOARD_SUBTYPE_PX4_V1
 #define HAL_STORAGE_SIZE            8192
+#define HAL_MINIMIZE_FEATURES       1
 #elif defined(CONFIG_ARCH_BOARD_PX4FMU_V3)
 // check for V3 before V2 as V3 also defines V2
 #define CONFIG_HAL_BOARD_SUBTYPE HAL_BOARD_SUBTYPE_PX4_V3