diff --git a/obj.go b/obj.go
index 5c61109..e6c0bfd 100644
--- a/obj.go
+++ b/obj.go
@@ -135,6 +135,14 @@ func loadObjType() error {
 
 }
 
+func loadObjClassif() error {
+	return nil
+}
+
+func loadObjClass() error {
+	return nil
+}
+
 func loadObjSubType() error {
 	var obj []ObjSubType