diff --git a/metadata/layout.conf b/metadata/layout.conf
index 87d7e5d..458a8e6 100644
--- a/metadata/layout.conf
+++ b/metadata/layout.conf
@@ -1,3 +1,5 @@
+# Use thin manifests
+thin-manifests = true
+
+# just need
 masters = gentoo
-use-manifests = strict
-profile-formats = portage-2