diff --git a/multi_user/bl_types/bl_material.py b/multi_user/bl_types/bl_material.py
index d71254f..64c6a56 100644
--- a/multi_user/bl_types/bl_material.py
+++ b/multi_user/bl_types/bl_material.py
@@ -105,7 +105,6 @@ def dump_node(node):
         "show_expanded",
         "name_full",
         "select",
-        "bl_idname",
         "bl_label",
         "bl_height_min",
         "bl_height_max",