diff --git a/__init__.py b/__init__.py
index 5f05bf1..e69de29 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,17 +0,0 @@
-from trytond.pool import Pool
-from . import printer, shop
-
-__all__ = ['register']
-
-
-def register():
-    Pool.register(
-        printer.Device,
-        printer.Api,
-        printer.Printer,
-        shop.Shop,
-        module='sale_printer', type_='model')
-    Pool.register(
-        module='sale_printer', type_='wizard')
-    Pool.register(
-        module='sale_printer', type_='report')
diff --git a/tryton.cfg b/tryton.cfg
index b83f143..63e2712 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -7,3 +7,10 @@ depends:
 xml:
     printer.xml
     shop.xml
+
+[register]
+model:
+    printer.Device
+    printer.Api
+    printer.Printer
+    shop.Shop