diff --git a/activity.py b/activity.py
index 0d0ef4c..e40a033 100644
--- a/activity.py
+++ b/activity.py
@@ -18,8 +18,7 @@ class Activity(metaclass=PoolMeta):
 
     @classmethod
     def __register__(cls, module_name):
-        TableHandler = backend.get('TableHandler')
-        table = TableHandler(cls, module_name)
+        table = backend.TableHandler(cls, module_name)
 
         super(Activity, cls).__register__(module_name)
         table.not_null_action('employee', 'remove')