diff --git a/configs/stm32f4discovery/hciuart/defconfig b/configs/stm32f4discovery/hciuart/defconfig
index 008b772ced..cd6bcd6f5f 100644
--- a/configs/stm32f4discovery/hciuart/defconfig
+++ b/configs/stm32f4discovery/hciuart/defconfig
@@ -1,6 +1,4 @@
 # CONFIG_ARCH_FPU is not set
-# CONFIG_MMCSD_MMCSUPPORT is not set
-# CONFIG_MMCSD_SPI is not set
 # CONFIG_NET_ETHERNET is not set
 # CONFIG_NET_IPv4 is not set
 # CONFIG_NSH_ARGCAT is not set
@@ -29,10 +27,8 @@ CONFIG_DRIVERS_WIRELESS=y
 CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
 CONFIG_EXAMPLES_NSH=y
 CONFIG_EXPERIMENTAL=y
-CONFIG_FAT_LCNAMES=y
-CONFIG_FAT_LFN=y
-CONFIG_FS_FAT=y
 CONFIG_FS_PROCFS=y
+CONFIG_FS_WRITABLE=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_INTELHEX_BINARY=y
@@ -42,9 +38,6 @@ CONFIG_IOB_NCHAINS=16
 CONFIG_IOB_THROTTLE=16
 CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
-CONFIG_MMCSD_MULTIBLOCK_DISABLE=y
-CONFIG_MMCSD_SDIO=y
-CONFIG_MMCSD=y
 CONFIG_NET_BLUETOOTH=y
 CONFIG_NET_HOSTNAME="STM32F4-Discovery"
 CONFIG_NET_SOCKOPTS=y