No need to explicitly register subclasses of Widget in Kivy 1.5

examples/demo/kivycatalog/main.py

@@ -16,17 +16,6 @@ CONTAINER_CLASSES = [c[:-3] for c in os.listdir('container_kvs')
     if c.endswith('.kv')]
 
 
-def factoryable(cls):
-    '''Class decorator that automatically records
-    the resultant class in the Factory.
-    This allows the class to be accessed
-    inside the .kv language file in the Builder.
-    '''
-    Factory.register(cls.__name__, cls)
-    return cls
-
-
-@factoryable
 class Container(BoxLayout):
     '''A container is essentially a class that loads its root from a known
     .kv file.
@@ -55,7 +44,6 @@ for class_name in CONTAINER_CLASSES:
     globals()[class_name] = type(class_name, (Container,), {})
 
 
-@factoryable
 class KivyRenderTextInput(TextInput):
     def _keyboard_on_key_down(self, window, keycode, text, modifiers):
         is_osx = sys.platform == 'darwin'