diff --git a/target/linux/rockchip/rk3568/config-4.19 b/target/linux/rockchip/rk3568/config-4.19
index e97591d464..e3476c884d 100644
--- a/target/linux/rockchip/rk3568/config-4.19
+++ b/target/linux/rockchip/rk3568/config-4.19
@@ -670,8 +670,6 @@ CONFIG_OLD_SIGSUSPEND3=y
 CONFIG_OPTEE=y
 CONFIG_OPTEE_SHM_NUM_PRIV_PAGES=1
 # CONFIG_OPTIMIZE_INLINING is not set
-CONFIG_OVERLAY_FS_INDEX=y
-CONFIG_OVERLAY_FS_NFS_EXPORT=y
 # CONFIG_PANIC_ON_OOPS is not set
 CONFIG_PANIC_ON_OOPS_VALUE=0
 CONFIG_PANIC_TIMEOUT=0