diff --git a/io_scene_obj/import_obj.py b/io_scene_obj/import_obj.py
index 5054e63ad4df07064d69dfcf5807e82a7fc97552..330e0694a0b6e45111a8d1e25da6a805968e76e8 100644
--- a/io_scene_obj/import_obj.py
+++ b/io_scene_obj/import_obj.py
@@ -170,8 +170,10 @@ def create_materials(filepath, relpath,
             unique_materials[name] = bpy.data.materials.new(name.decode('utf-8', "replace"))
             unique_material_images[name] = None  # assign None to all material images to start with, add to later.
 
-    unique_materials[None] = None
-    unique_material_images[None] = None
+    # XXX Why was this needed? Cannot find any good reason, and adds stupid empty matslot in case we do not separate
+    #     mesh (see T44947).
+    #~ unique_materials[None] = None
+    #~ unique_material_images[None] = None
 
     for libname in material_libs:
         # print(libname)