diff --git a/__init__.py b/__init__.py
index 5ac017e..f73f9dd 100644
--- a/__init__.py
+++ b/__init__.py
@@ -10,7 +10,6 @@ def register():
         product.Template,
         product.Product,
         product.Pattern,
-        purchase.Configuration,
         purchase.Purchase,
         purchase.Line,
         equipment.OpticalEquipment,