diff --git a/bsp/stm32f429-apollo/rtconfig_old.h b/bsp/stm32f429-apollo/rtconfig_old.h
deleted file mode 100644
index 4a8e35b2f5f9f2dd0d2fef2596c9784f32241a57..0000000000000000000000000000000000000000
--- a/bsp/stm32f429-apollo/rtconfig_old.h
+++ /dev/null
@@ -1,230 +0,0 @@
-#ifndef RT_CONFIG_H__
-#define RT_CONFIG_H__
-
-/* Automatically generated file; DO NOT EDIT. */
-/* RT-Thread Configuration */
-
-/* RT-Thread Kernel */
-
-#define RT_NAME_MAX 8
-#define RT_ALIGN_SIZE 4
-#define RT_THREAD_PRIORITY_MAX 32
-#define RT_TICK_PER_SECOND 1000
-#define RT_DEBUG
-#define RT_USING_OVERFLOW_CHECK
-#define RT_DEBUG_INIT 1
-/* RT_DEBUG_THREAD is not set */
-#define RT_USING_HOOK
-/* RT_USING_TIMER_SOFT is not set */
-
-/* Inter-Thread communication */
-
-#define RT_USING_SEMAPHORE
-#define RT_USING_MUTEX
-#define RT_USING_EVENT
-#define RT_USING_MAILBOX
-#define RT_USING_MESSAGEQUEUE
-
-/* Memory Management */
-
-#define RT_USING_MEMPOOL
-#define RT_USING_MEMHEAP
-#define RT_USING_HEAP
-#define RT_USING_SMALL_MEM
-/* RT_USING_SLAB is not set */
-
-/* Kernel Device Object */
-
-#define RT_USING_DEVICE
-#define RT_USING_CONSOLE
-#define RT_CONSOLEBUF_SIZE 128
-#define RT_CONSOLE_DEVICE_NAME "uart"
-/* RT_USING_MODULE is not set */
-
-/* RT-Thread Components */
-
-#define RT_USING_COMPONENTS_INIT
-/* RT_USING_USER_MAIN is not set */
-
-/* C++ features */
-
-/* RT_USING_CPLUSPLUS is not set */
-
-/* Command shell */
-
-#define RT_USING_FINSH
-#define FINSH_USING_SYMTAB
-#define FINSH_USING_DESCRIPTION
-#define FINSH_THREAD_STACK_SIZE 2048
-/* FINSH_USING_AUTH is not set */
-#define FINSH_DEFAULT_PASSWORD "rtthread"
-/* FINSH_USING_MSH is not set */
-/* FINSH_USING_MSH_DEFAULT is not set */
-/* FINSH_USING_MSH_ONLY is not set */
-
-/* Device virtual file system */
-
-#define RT_USING_DFS
-/* DFS_USING_WORKDIR is not set */
-#define DFS_FILESYSTEMS_MAX 4
-#define DFS_FD_MAX 16
-#define RT_USING_DFS_ELMFAT
-#define RT_DFS_ELM_CODE_PAGE 437
-#define RT_DFS_ELM_MAX_LFN 255
-#define RT_DFS_ELM_DRIVES 2
-#define RT_DFS_ELM_MAX_SECTOR_SIZE 4096
-/* RT_DFS_ELM_USE_ERASE is not set */
-#define RT_DFS_ELM_REENTRANT
-#define RT_USING_DFS_DEVFS
-/* RT_USING_DFS_NET is not set */
-/* RT_USING_DFS_NFS is not set */
-
-/* Device Drivers */
-
-#define RT_USING_DEVICE_IPC
-#define RT_USING_SERIAL
-/* RT_USING_CAN is not set */
-/* RT_USING_HWTIMER is not set */
-#define RT_USING_I2C
-/* RT_USING_PIN is not set */
-/* RT_USING_MTD_NOR is not set */
-#define RT_USING_MTD_NAND
-#define RT_USING_RTC
-/* RT_USING_SDIO is not set */
-#define RT_USING_SPI
-#define RT_USING_SFUD
-#define RT_SFUD_USING_SFDP
-/* RT_SFUD_USING_FLASH_INFO_TABLE is not set */
-/* RT_SFUD_DEBUG is not set */
-/* RT_USING_W25QXX is not set */
-/* RT_USING_GD is not set */
-/* RT_USING_ENC28J60 is not set */
-/* RT_USING_SPI_WIFI is not set */
-/* RT_USING_WDT is not set */
-/* RT_USING_USB_HOST is not set */
-/* RT_USING_USB_DEVICE is not set */
-
-/* libc */
-
-#define RT_USING_LIBC
-/* RT_USING_PTHREADS is not set */
-
-/* Network stack */
-
-/* light weight TCP/IP stack */
-
-#define RT_USING_LWIP
-#define RT_USING_LWIP141
-/* RT_USING_LWIP200 is not set */
-/* RT_USING_LWIP202 is not set */
-/* RT_LWIP_IGMP is not set */
-#define RT_LWIP_ICMP
-/* RT_LWIP_SNMP is not set */
-#define RT_LWIP_DNS
-#define RT_LWIP_DHCP
-#define IP_SOF_BROADCAST 1
-#define IP_SOF_BROADCAST_RECV 1
-/* LWIP_USING_DHCPD is not set */
-#define RT_LWIP_UDP
-#define RT_LWIP_TCP
-/* RT_LWIP_PPP is not set */
-/* RT_LWIP_PPPOE is not set */
-/* RT_LWIP_PPPOS is not set */
-#define RT_LWIP_PBUF_NUM 16
-#define RT_LWIP_RAW_PCB_NUM 4
-#define RT_LWIP_UDP_PCB_NUM 4
-#define RT_LWIP_TCP_PCB_NUM 5
-#define RT_LWIP_TCP_SEG_NUM 40
-#define RT_LWIP_TCP_SND_BUF 8192
-#define RT_LWIP_TCP_WND 8192
-#define RT_LWIP_TCPTHREAD_PRIORITY 12
-#define RT_LWIP_TCPTHREAD_MBOX_SIZE 4
-#define RT_LWIP_TCPTHREAD_STACKSIZE 1024
-#define RT_LWIP_ETHTHREAD_PRIORITY 15
-#define RT_LWIP_ETHTHREAD_STACKSIZE 512
-#define RT_LWIP_ETHTHREAD_MBOX_SIZE 4
-/* RT_LWIP_REASSEMBLY_FRAG is not set */
-#define LWIP_NETIF_STATUS_CALLBACK 1
-#define SO_REUSE 1
-#define LWIP_SO_RCVTIMEO 1
-#define LWIP_SO_SNDTIMEO 1
-#define LWIP_SO_RCVBUF 1
-
-/* Modbus master and slave stack */
-
-/* RT_USING_MODBUS is not set */
-
-/* RT-Thread online packages */
-
-/* IoT - internet of things */
-
-/* PKG_USING_CJSON is not set */
-/* PKG_USING_PAHOMQTT is not set */
-/* PKG_USING_WEBCLIENT is not set */
-
-/* language packages */
-
-/* PKG_USING_JERRYSCRIPT is not set */
-
-/* miscellaneous packages */
-
-/* PKG_USING_HELLO is not set */
-
-/* multimedia packages */
-
-/* security packages */
-
-/* system packages */
-
-/* PKG_USING_CMBACKTRACE is not set */
-/* PKG_USING_PARTITION is not set */
-
-/* RT_GUI CONFIG */
-
-#define RT_USING_GUIENGINE
-#define RTGUI_NAME_MAX 16
-#define RTGUI_USING_FONT16
-#define RTGUI_USING_FONT12
-#define RTGUI_USING_FONTHZ
-#define RTGUI_USING_DFS_FILERW
-#define RTGUI_USING_HZ_BMP
-
-/* BSP_UASRT CONFIG */
-
-#define RT_RTC_NAME "rtc"
-#define RT_USING_EXT_SDRAM
-#define RT_USING_I2C_BITOPS
-#define RT_USING_UART1
-#define RT_USING_UART2
-#define RT_USING_UART3
-
-/* BSP_LWIP CONFIG */
-
-#define RT_LWIP_IPADDR0 192
-#define RT_LWIP_IPADDR1 168
-#define RT_LWIP_IPADDR2 1
-#define RT_LWIP_IPADDR3 201
-#define RT_LWIP_GWADDR0 192
-#define RT_LWIP_GWADDR1 168
-#define RT_LWIP_GWADDR2 1
-#define RT_LWIP_GWADDR3 1
-#define RT_LWIP_MSKADDR0 255
-#define RT_LWIP_MSKADDR1 255
-#define RT_LWIP_MSKADDR2 255
-#define RT_LWIP_MSKADDR3 0
-#define CHECKSUM_CHECK_TCP 0
-#define CHECKSUM_CHECK_IP 0
-#define CHECKSUM_CHECK_UDP 0
-
-/* BSP_SPECIAL CONFIG */
-
-#define IDLE_THREAD_STACK_SIZE 1024
-#define RT_DFS_ELM_WORD_ACCESS
-#define RT_USING_SPI5
-#define RT_USING_DFS_UFFS
-#define RT_MTD_NAND_DEBUG
-#define RT_LWIP_USING_RT_MEM
-#define DFS_FILESYSTEM_TYPES_MAX 4
-#define RT_DFS_ELM_USE_LFN 3
-#define RT_CONFIG_UFFS_ECC_MODE    UFFS_ECC_HW_AUTO
-#endif