diff --git a/boards/arm/stm32/stm32f4discovery/configs/hciuart/defconfig b/boards/arm/stm32/stm32f4discovery/configs/hciuart/defconfig
deleted file mode 100644
index 1919146176..0000000000
--- a/boards/arm/stm32/stm32f4discovery/configs/hciuart/defconfig
+++ /dev/null
@@ -1,78 +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_ARCH_FPU is not set
-# CONFIG_NET_ETHERNET is not set
-# CONFIG_NET_IPv4 is not set
-# CONFIG_NSH_ARGCAT is not set
-# CONFIG_NSH_CMDOPT_HEXDUMP is not set
-# CONFIG_NSH_CMDPARMS is not set
-# CONFIG_NSH_NETINIT is not set
-CONFIG_ARCH="arm"
-CONFIG_ARCH_BOARD="stm32f4discovery"
-CONFIG_ARCH_BOARD_STM32F4_DISCOVERY=y
-CONFIG_ARCH_BUTTONS=y
-CONFIG_ARCH_CHIP="stm32"
-CONFIG_ARCH_CHIP_STM32=y
-CONFIG_ARCH_CHIP_STM32F407VG=y
-CONFIG_ARCH_INTERRUPTSTACK=2048
-CONFIG_ARCH_STACKDUMP=y
-CONFIG_BLUETOOTH_MAX_CONN=2
-CONFIG_BLUETOOTH_MAX_PAIRED=2
-CONFIG_BLUETOOTH_UART=y
-CONFIG_BOARDCTL_RESET=y
-CONFIG_BOARD_LOOPSPERMSEC=16717
-CONFIG_BTSAK=y
-CONFIG_BUILTIN=y
-CONFIG_DRIVERS_BLUETOOTH=y
-CONFIG_DRIVERS_WIRELESS=y
-CONFIG_FS_PROCFS=y
-CONFIG_HAVE_CXX=y
-CONFIG_HAVE_CXXINITIALIZE=y
-CONFIG_INTELHEX_BINARY=y
-CONFIG_IOB_BUFSIZE=80
-CONFIG_IOB_NBUFFERS=64
-CONFIG_IOB_NCHAINS=16
-CONFIG_IOB_THROTTLE=16
-CONFIG_LIBC_HOSTNAME="STM32F4-Discovery"
-CONFIG_NET=y
-CONFIG_NETDEVICES=y
-CONFIG_NETDEV_LATEINIT=y
-CONFIG_NETDEV_PHY_IOCTL=y
-CONFIG_NET_BLUETOOTH=y
-CONFIG_NET_SOCKOPTS=y
-CONFIG_NSH_ARCHINIT=y
-CONFIG_NSH_BUILTIN_APPS=y
-CONFIG_NSH_FILEIOSIZE=512
-CONFIG_NSH_LINELEN=64
-CONFIG_NSH_READLINE=y
-CONFIG_PREALLOC_MQ_MSGS=64
-CONFIG_PREALLOC_TIMERS=4
-CONFIG_RAM_SIZE=114688
-CONFIG_RAM_START=0x20000000
-CONFIG_RAW_BINARY=y
-CONFIG_RR_INTERVAL=200
-CONFIG_SCHED_HPWORKPRIORITY=192
-CONFIG_SCHED_WAITPID=y
-CONFIG_SDCLONE_DISABLE=y
-CONFIG_START_DAY=13
-CONFIG_START_MONTH=9
-CONFIG_START_YEAR=2014
-CONFIG_STM32F4DISBB=y
-CONFIG_STM32_DMA2=y
-CONFIG_STM32_DMACAPABLE=y
-CONFIG_STM32_JTAG_SW_ENABLE=y
-CONFIG_STM32_PWR=y
-CONFIG_STM32_SPI1=y
-CONFIG_STM32_USART3=y
-CONFIG_STM32_USART3_HCIUART=y
-CONFIG_STM32_USART6=y
-CONFIG_SYSTEM_NSH=y
-CONFIG_USART6_SERIAL_CONSOLE=y
-CONFIG_USER_ENTRYPOINT="nsh_main"
-CONFIG_WIRELESS=y
-CONFIG_WIRELESS_BLUETOOTH=y