diff --git a/boards/holybro/durandal-v1/nsh/defconfig b/boards/holybro/durandal-v1/nsh/defconfig
deleted file mode 100644
index 9fb7475af2..0000000000
--- a/boards/holybro/durandal-v1/nsh/defconfig
+++ /dev/null
@@ -1,255 +0,0 @@
-#
-# This file is autogenerated: PLEASE DO NOT EDIT IT.
-#
-# You can use "make menuconfig" to make any modifications to the installed .config file.
-# You can then do "make savedefconfig" to generate a new defconfig file that includes your
-# modifications.
-#
-# CONFIG_DISABLE_OS_API is not set
-# CONFIG_DISABLE_PSEUDOFS_OPERATIONS is not set
-# CONFIG_MMCSD_HAVE_CARDDETECT is not set
-# CONFIG_MMCSD_HAVE_WRITEPROTECT is not set
-# CONFIG_MMCSD_MMCSUPPORT is not set
-# CONFIG_MMCSD_SPI is not set
-# CONFIG_NSH_DISABLEBG is not set
-# CONFIG_NSH_DISABLESCRIPT is not set
-# CONFIG_NSH_DISABLE_DF is not set
-# CONFIG_NSH_DISABLE_EXEC is not set
-# CONFIG_NSH_DISABLE_EXIT is not set
-# CONFIG_NSH_DISABLE_GET is not set
-# CONFIG_NSH_DISABLE_ITEF is not set
-# CONFIG_NSH_DISABLE_LOOPS is not set
-# CONFIG_NSH_DISABLE_SEMICOLON is not set
-# CONFIG_NSH_DISABLE_TIME is not set
-CONFIG_ARCH="arm"
-CONFIG_ARCH_BOARD_CUSTOM=y
-CONFIG_ARCH_BOARD_CUSTOM_DIR="../nuttx-config"
-CONFIG_ARCH_BOARD_CUSTOM_DIR_RELPATH=y
-CONFIG_ARCH_BOARD_CUSTOM_NAME="px4"
-CONFIG_ARCH_CHIP="stm32h7"
-CONFIG_ARCH_CHIP_STM32H743ZI=y
-CONFIG_ARCH_CHIP_STM32H7=y
-CONFIG_ARCH_INTERRUPTSTACK=512
-CONFIG_ARCH_STACKDUMP=y
-CONFIG_ARMV7M_BASEPRI_WAR=y
-# this is off because H7 is not maintaining alignment yet CONFIG_ARMV7M_DCACHE=y
-CONFIG_ARMV7M_DTCM=y
-CONFIG_ARMV7M_ICACHE=y
-CONFIG_ARMV7M_MEMCPY=y
-CONFIG_ARMV7M_USEBASEPRI=y
-CONFIG_BOARDCTL_RESET=y
-CONFIG_BOARD_CRASHDUMP=y
-CONFIG_BOARD_LOOPSPERMSEC=22114
-CONFIG_BOARD_RESET_ON_ASSERT=2
-CONFIG_BUILTIN=y
-CONFIG_C99_BOOL8=y
-CONFIG_CDCACM=y
-CONFIG_CDCACM_PRODUCTID=0x008b
-CONFIG_CDCACM_PRODUCTSTR="PX4 DurandalV1"
-CONFIG_CDCACM_RXBUFSIZE=600
-CONFIG_CDCACM_TXBUFSIZE=12000
-CONFIG_CDCACM_VENDORID=0x26ac
-CONFIG_CDCACM_VENDORSTR="Holybro"
-CONFIG_CLOCK_MONOTONIC=y
-CONFIG_DEBUG_FULLOPT=y
-CONFIG_DEBUG_HARDFAULT_ALERT=y
-CONFIG_DEBUG_SYMBOLS=y
-CONFIG_DEFAULT_SMALL=y
-CONFIG_DEV_FIFO_SIZE=0
-CONFIG_DEV_PIPE_MAXSIZE=1024
-CONFIG_DEV_PIPE_SIZE=70
-CONFIG_EXPERIMENTAL=y
-CONFIG_FAT_DMAMEMORY=y
-CONFIG_FAT_LCNAMES=y
-CONFIG_FAT_LFN=y
-CONFIG_FAT_LFN_ALIAS_HASH=y
-CONFIG_FDCLONE_STDIO=y
-CONFIG_FS_BINFS=y
-CONFIG_FS_CROMFS=y
-CONFIG_FS_FAT=y
-CONFIG_FS_FATTIME=y
-CONFIG_FS_PROCFS=y
-CONFIG_FS_PROCFS_EXCLUDE_BLOCKS=y
-CONFIG_FS_PROCFS_EXCLUDE_MOUNT=y
-CONFIG_FS_PROCFS_EXCLUDE_MOUNTS=y
-CONFIG_FS_PROCFS_EXCLUDE_PARTITIONS=y
-CONFIG_FS_PROCFS_EXCLUDE_USAGE=y
-CONFIG_FS_PROCFS_REGISTER=y
-CONFIG_FS_ROMFS=y
-CONFIG_GRAN=y
-CONFIG_GRAN_INTR=y
-CONFIG_HAVE_CXX=y
-CONFIG_HAVE_CXXINITIALIZE=y
-CONFIG_I2C=y
-CONFIG_I2C_RESET=y
-CONFIG_IDLETHREAD_STACKSIZE=750
-CONFIG_LIBC_FLOATINGPOINT=y
-CONFIG_LIBC_LONG_LONG=y
-CONFIG_LIBC_STRERROR=y
-CONFIG_MAX_TASKS=64
-CONFIG_MAX_WDOGPARMS=2
-CONFIG_MEMSET_64BIT=y
-CONFIG_MEMSET_OPTSPEED=y
-CONFIG_MMCSD=y
-CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
-CONFIG_MMCSD_SDIO=y
-CONFIG_MMCSD_SDIOWAIT_WRCOMPLETE=y
-CONFIG_MM_REGIONS=3
-CONFIG_MTD=y
-CONFIG_MTD_BYTE_WRITE=y
-CONFIG_MTD_PARTITION=y
-CONFIG_MTD_PROGMEM=y
-CONFIG_MTD_RAMTRON=y
-CONFIG_NFILE_DESCRIPTORS=20
-CONFIG_NFILE_STREAMS=8
-CONFIG_NSH_ARCHINIT=y
-CONFIG_NSH_ARCHROMFS=y
-CONFIG_NSH_ARGCAT=y
-CONFIG_NSH_BUILTIN_APPS=y
-CONFIG_NSH_CMDPARMS=y
-CONFIG_NSH_CROMFSETC=y
-CONFIG_NSH_DISABLE_IFCONFIG=y
-CONFIG_NSH_DISABLE_IFUPDOWN=y
-CONFIG_NSH_DISABLE_MB=y
-CONFIG_NSH_DISABLE_MH=y
-CONFIG_NSH_DISABLE_TELNETD=y
-CONFIG_NSH_LINELEN=128
-CONFIG_NSH_MAXARGUMENTS=12
-CONFIG_NSH_NESTDEPTH=8
-CONFIG_NSH_QUOTE=y
-CONFIG_NSH_ROMFSETC=y
-CONFIG_NSH_ROMFSSECTSIZE=128
-CONFIG_NSH_STRERROR=y
-CONFIG_NSH_VARS=y
-CONFIG_NXFONTS_DISABLE_16BPP=y
-CONFIG_NXFONTS_DISABLE_1BPP=y
-CONFIG_NXFONTS_DISABLE_24BPP=y
-CONFIG_NXFONTS_DISABLE_2BPP=y
-CONFIG_NXFONTS_DISABLE_32BPP=y
-CONFIG_NXFONTS_DISABLE_4BPP=y
-CONFIG_NXFONTS_DISABLE_8BPP=y
-CONFIG_PIPES=y
-CONFIG_PREALLOC_MQ_MSGS=4
-CONFIG_PREALLOC_TIMERS=50
-CONFIG_PREALLOC_WDOGS=50
-CONFIG_PRIORITY_INHERITANCE=y
-CONFIG_PTHREAD_MUTEX_ROBUST=y
-CONFIG_PTHREAD_STACK_MIN=512
-CONFIG_RAMTRON_SETSPEED=y
-CONFIG_RAMTRON_WRITEWAIT=y
-CONFIG_RAM_SIZE=245760
-CONFIG_RAM_START=0x20010000
-CONFIG_RAW_BINARY=y
-CONFIG_RTC_DATETIME=y
-CONFIG_SCHED_ATEXIT=y
-CONFIG_SCHED_HPWORK=y
-CONFIG_SCHED_HPWORKPRIORITY=249
-CONFIG_SCHED_HPWORKSTACKSIZE=1280
-CONFIG_SCHED_INSTRUMENTATION=y
-CONFIG_SCHED_LPWORK=y
-CONFIG_SCHED_LPWORKPRIORITY=50
-CONFIG_SCHED_LPWORKSTACKSIZE=1536
-CONFIG_SCHED_WAITPID=y
-CONFIG_SDCLONE_DISABLE=y
-CONFIG_SDMMC1_SDIO_MODE=y
-CONFIG_SEM_NNESTPRIO=8
-CONFIG_SEM_PREALLOCHOLDERS=0
-CONFIG_SERIAL_IFLOWCONTROL_WATERMARKS=y
-CONFIG_SERIAL_TERMIOS=y
-CONFIG_SIG_DEFAULT=y
-CONFIG_SIG_SIGALRM_ACTION=y
-CONFIG_SIG_SIGUSR1_ACTION=y
-CONFIG_SIG_SIGUSR2_ACTION=y
-CONFIG_SIG_SIGWORK=4
-CONFIG_STACK_COLORATION=y
-CONFIG_START_DAY=30
-CONFIG_START_MONTH=11
-CONFIG_STDIO_BUFFER_SIZE=32
-CONFIG_STM32H7_ADC1=y
-CONFIG_STM32H7_BBSRAM=y
-CONFIG_STM32H7_BBSRAM_FILES=5
-CONFIG_STM32H7_BKPSRAM=y
-CONFIG_STM32H7_DMA1=y
-CONFIG_STM32H7_DMA2=y
-CONFIG_STM32H7_DMACAPABLE=y
-CONFIG_STM32H7_DTCMEXCLUDE=y
-CONFIG_STM32H7_DTCM_PROCFS=y
-CONFIG_STM32H7_FLOWCONTROL_BROKEN=y
-CONFIG_STM32H7_I2C1=y
-CONFIG_STM32H7_I2C2=y
-CONFIG_STM32H7_I2C3=y
-CONFIG_STM32H7_I2C4=y
-CONFIG_STM32H7_I2C_DYNTIMEO=y
-CONFIG_STM32H7_I2C_DYNTIMEO_STARTSTOP=10
-CONFIG_STM32H7_OTGFS=y
-CONFIG_STM32H7_PROGMEM=y
-CONFIG_STM32H7_RTC=y
-CONFIG_STM32H7_RTC_MAGIC_REG=1
-CONFIG_STM32H7_SAVE_CRASHDUMP=y
-CONFIG_STM32H7_SDMMC1=y
-CONFIG_STM32H7_SERIALBRK_BSDCOMPAT=y
-CONFIG_STM32H7_SERIAL_DISABLE_REORDERING=y
-CONFIG_STM32H7_SPI1=y
-CONFIG_STM32H7_SPI2=y
-CONFIG_STM32H7_SPI4=y
-CONFIG_STM32H7_SPI5=y
-CONFIG_STM32H7_SPI6=y
-CONFIG_STM32H7_TIM1=y
-CONFIG_STM32H7_TIM3=y
-CONFIG_STM32H7_TIM4=y
-CONFIG_STM32H7_UART4=y
-CONFIG_STM32H7_UART7=y
-CONFIG_STM32H7_UART8=y
-CONFIG_STM32H7_USART1=y
-CONFIG_STM32H7_USART2=y
-CONFIG_STM32H7_USART3=y
-CONFIG_STM32H7_USART6=y
-CONFIG_STM32H7_USART_BREAKS=y
-CONFIG_STM32H7_USART_INVERT=y
-CONFIG_STM32H7_USART_SINGLEWIRE=y
-CONFIG_STM32H7_USART_SWAP=y
-CONFIG_SYSTEM_CDCACM=y
-CONFIG_SYSTEM_NSH=y
-CONFIG_TASK_NAME_SIZE=24
-CONFIG_TIME_EXTENDED=y
-CONFIG_TTY_SIGINT=y
-CONFIG_TTY_SIGSTP=y
-CONFIG_UART4_BAUD=57600
-CONFIG_UART4_DMA=y
-CONFIG_UART4_RXBUFSIZE=600
-CONFIG_UART4_TXBUFSIZE=1500
-CONFIG_UART7_BAUD=57600
-CONFIG_UART7_RXBUFSIZE=600
-CONFIG_UART7_SERIAL_CONSOLE=y
-CONFIG_UART7_TXBUFSIZE=1500
-CONFIG_UART8_BAUD=57600
-CONFIG_UART8_DMA=y
-CONFIG_UART8_RXBUFSIZE=600
-CONFIG_UART8_TXBUFSIZE=1500
-CONFIG_USART1_BAUD=57600
-CONFIG_USART1_DMA=y
-CONFIG_USART1_RXBUFSIZE=600
-CONFIG_USART1_TXBUFSIZE=1500
-CONFIG_USART2_BAUD=57600
-CONFIG_USART2_DMA=y
-CONFIG_USART2_IFLOWCONTROL=y
-CONFIG_USART2_OFLOWCONTROL=y
-CONFIG_USART2_RXBUFSIZE=600
-CONFIG_USART2_TXBUFSIZE=1500
-CONFIG_USART3_BAUD=57600
-CONFIG_USART3_DMA=y
-CONFIG_USART3_IFLOWCONTROL=y
-CONFIG_USART3_OFLOWCONTROL=y
-CONFIG_USART3_RXBUFSIZE=600
-CONFIG_USART3_TXBUFSIZE=3000
-CONFIG_USART6_BAUD=57600
-CONFIG_USART6_DMA=y
-CONFIG_USART6_RXBUFSIZE=600
-CONFIG_USART6_TXBUFSIZE=1500
-CONFIG_USBDEV=y
-CONFIG_USBDEV_BUSPOWERED=y
-CONFIG_USBDEV_MAXPOWER=500
-CONFIG_USEC_PER_TICK=1000
-CONFIG_USERMAIN_STACKSIZE=2624
-CONFIG_USER_ENTRYPOINT="nsh_main"
-CONFIG_WATCHDOG=y