diff --git a/booking.py b/booking.py
index 8d04e7b..572e651 100644
--- a/booking.py
+++ b/booking.py
@@ -544,76 +544,6 @@ class Booking(Workflow, ModelSQL, ModelView):
         context['taxes'] = taxes
         return context
 
-    # def create_sale(self):
-    #     pool = Pool()
-    #     Model = pool.get('ir.model')
-    #     SaleLine = pool.get('sale.line')
-    #     Configuration = pool.get('hotel.configuration')
-    #     configuration = Configuration.get_configuration()
-    #     date_ = datetime.today().date()
-    #     model = Model.search([('name', '=', str(self.__name__))])
-    #     ctx = {}
-    #
-    #     if not self.payment_term:
-    #         self.raise_user_error('payterm_missing')
-    #
-    #     if self.price_list:
-    #         ctx['price_list'] = self.price_list
-    #         ctx['sale_date'] = date_
-    #         ctx['currency'] = self.currency.id
-    #         if self.party:
-    #             ctx['customer'] = self.party.id
-    #
-    #     if not model:
-    #         model = 'Booking'
-    #     else:
-    #         model = model[0].name
-    #
-    #     if self.invoice_method == 'by_booking':
-    #         bookings_ = [(self.party, self.lines)]
-    #     else:
-    #         bookings_ = [
-    #             (line.main_guest, [line]) for line in self.lines
-    #         ]
-    #
-    #     for party, lines in bookings_:
-    #         sale = self.get_sale(party, date_)
-    #         sale.save()
-    #         for line in lines:
-    #             if line.nights_quantity <= 0:
-    #                 continue
-    #
-    #             if self.price_list:
-    #                 with Transaction().set_context(ctx):
-    #                     unit_price = self.price_list.compute(
-    #                         self.party, line.product,
-    #                         line.product.template.list_price,
-    #                         line.nights_quantity, line.product.default_uom)
-    #             else:
-    #                 unit_price = line.unit_price
-    #
-    #             unit_price = self.currency.round(line.unit_price)
-    #             new_line = self.create_sale_line(sale, line, unit_price)
-    #             SaleLine.create([new_line])
-    #
-    #             # Add and create default charges lines if exists
-    #             for product in configuration.default_charges:
-    #                 taxes_ids = self.get_taxes(product)
-    #                 new_line = {
-    #                     'sale': sale.id,
-    #                     'type': 'line',
-    #                     'unit': product.template.default_uom.id,
-    #                     'quantity': 1,
-    #                     'unit_price': product.template.list_price,
-    #                     'product': product.id,
-    #                     'description': product.rec_name,
-    #                 }
-    #                 if taxes_ids:
-    #                     new_line.update({'taxes': [('add', taxes_ids)]})
-    #                 if new_line:
-    #                     SaleLine.create([new_line])
-    #     self.write([self], {'sales': [('add', [sale.id])]})
-
     def update_occupancy(self, state):
         Operation = Pool().get('hotel.operation')
         OperationVoucher = Pool().get('hotel.operation-account.voucher')
diff --git a/view/operation_form.xml b/view/operation_form.xml
index 5ff39b0..89cdb05 100644
--- a/view/operation_form.xml
+++ b/view/operation_form.xml
@@ -44,12 +44,10 @@ this repository contains the full copyright notices and license terms. -->
           <field name="company"/>
           <label name="currency"/>
           <field name="currency"/>
-          <!--
-            <label name="origin"/>
-            <field name="origin"/>
-            <label name="sale_line"/>
-            <field name="sale_line"/>
-          -->
+          <label name="origin"/>
+          <field name="origin"/>
+          <label name="sale_line"/>
+          <field name="sale_line"/>
           <separator name="notes" colspan="4"/>
           <field name="notes" colspan="4"/>
         </page>