diff --git a/io_scene_psk_psa/types.py b/io_scene_psk_psa/types.py
index 65e01a6..c6e28c8 100644
--- a/io_scene_psk_psa/types.py
+++ b/io_scene_psk_psa/types.py
@@ -46,8 +46,5 @@ classes = (
     PSX_PG_ActionExportPropertyGroup,
     BoneGroupListItem,
     PSX_UL_BoneGroupList,
-    PSX_UL_MaterialPathList,
-    PSX_OT_MaterialPathAdd,
-    PSX_OT_MaterialPathRemove,
     PSX_PT_ActionPropertyPanel
 )