diff --git a/include/sys.h b/include/sys.h
index 556e0c9..8d20c2f 100644
--- a/include/sys.h
+++ b/include/sys.h
@@ -11,10 +11,14 @@
 #include "ble_hci.h"
 #include "ble_nus.h"
 #include "bsp_btn_ble.h"
+#include "diskio_blkdev.h"
+#include "ff.h"
 #include "nordic_common.h"
 #include "nrf.h"
 #include "nrf_ble_gatt.h"
 #include "nrf_ble_qwr.h"
+#include "nrf_block_dev_sdc.h"
+#include "nrf_delay.h"
 #include "nrf_drv_spi.h"
 #include "nrf_log.h"
 #include "nrf_log_ctrl.h"
@@ -25,7 +29,6 @@
 #include "nrf_sdh_soc.h"
 
 //
-#include "version.h"
 #define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
 
 void zsys_init();