diff --git a/target/linux/imx6/config-3.18 b/target/linux/imx6/config-3.18
index 83bfd0d41f..fcd86d495b 100644
--- a/target/linux/imx6/config-3.18
+++ b/target/linux/imx6/config-3.18
@@ -108,14 +108,6 @@ CONFIG_DTC=y
 # CONFIG_DW_DMAC_CORE is not set
 # CONFIG_DW_DMAC_PCI is not set
 # CONFIG_EMAC_ROCKCHIP is not set
-CONFIG_EXT2_FS=y
-CONFIG_EXT2_FS_POSIX_ACL=y
-CONFIG_EXT2_FS_SECURITY=y
-CONFIG_EXT2_FS_XATTR=y
-CONFIG_EXT3_FS=y
-CONFIG_EXT3_FS_POSIX_ACL=y
-CONFIG_EXT3_FS_SECURITY=y
-CONFIG_EXT3_FS_XATTR=y
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
 CONFIG_EXT4_FS_SECURITY=y