diff --git a/boards/arm/samv7/same70-qmtech/configs/mcuboot-loader/defconfig b/boards/arm/samv7/same70-qmtech/configs/mcuboot-loader/defconfig
index 8dcf456bfee..24dacefc83a 100644
--- a/boards/arm/samv7/same70-qmtech/configs/mcuboot-loader/defconfig
+++ b/boards/arm/samv7/same70-qmtech/configs/mcuboot-loader/defconfig
@@ -32,7 +32,6 @@ CONFIG_DISABLE_MQUEUE=y
 CONFIG_DISABLE_POSIX_TIMERS=y
 CONFIG_DISABLE_PTHREAD=y
 CONFIG_FAT_LCNAMES=y
-CONFIG_FAT_LFN=y
 CONFIG_FS_FAT=y
 CONFIG_FS_PROCFS=y
 CONFIG_INIT_ENTRYPOINT="mcuboot_loader_main"