diff --git a/board/businesscard/v1/linux_defconfig b/board/businesscard/v1/linux_defconfig
index f28e29e..64d0805 100644
--- a/board/businesscard/v1/linux_defconfig
+++ b/board/businesscard/v1/linux_defconfig
@@ -91,7 +91,6 @@ CONFIG_SUN8I_R_CCU=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_PHY_SUN4I_USB=y
 # CONFIG_NVMEM is not set
-CONFIG_EXT4_FS=y
 # CONFIG_FILE_LOCKING is not set
 # CONFIG_DNOTIFY is not set
 CONFIG_VFAT_FS=y
@@ -103,8 +102,6 @@ CONFIG_SQUASHFS_XZ=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_KEYS=y
-# CONFIG_CRYPTO_ECHAINIV is not set
-# CONFIG_CRYPTO_HW is not set
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_FS=y
 CONFIG_STACKTRACE=y