diff --git a/models/__init__.py b/models/__init__.py
index 8b9e6d4..8008ded 100644
--- a/models/__init__.py
+++ b/models/__init__.py
@@ -1,7 +1,4 @@
 # © 2019 Le Filament (<http://www.le-filament.com>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
-# # from . import product_product
-from . import sale_order
-from . import sale_order_line
-from . import product_pack_line
\ No newline at end of file
+from . import sale_order
\ No newline at end of file
diff --git a/models/product_pack_line.py b/models/product_pack_line.py
deleted file mode 100644
index ce8dd01..0000000
--- a/models/product_pack_line.py
+++ /dev/null
@@ -1,46 +0,0 @@
-# Copyright 2019 Tecnativa - Ernesto Tejeda
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from odoo import api, fields, models
-import odoo.addons.decimal_precision as dp
-
-
-class ProductPack(models.Model):
-    _inherit = 'product.pack.line'
-
-    @api.multi
-    def get_sale_order_line_vals(self, line, order):
-        self.ensure_one()
-        vals = super().get_sale_order_line_vals(line, order)
-        
-        quantity = self.quantity * line.product_uom_qty
-        line_vals = {
-            'order_id': order.id,
-            'product_id': self.product_id.id or False,
-            'pack_parent_line_id': line.id,
-            'pack_depth': line.pack_depth + 1,
-            'company_id': order.company_id.id,
-        }
-        sol = line.new(line_vals)
-        sol.product_id_change()
-        sol.product_uom_qty = quantity
-        sol.product_uom_change()
-        sol._onchange_discount()
-        vals = sol._convert_to_write(sol._cache)
-
-        sale_discount = 0.0
-        if (line.product_id.pack_component_price == 'detailed'):
-            sale_discount = 100.0 - (
-                (100.0 - sol.discount) * (100.0 - self.sale_discount) / 100.0)
-
-        vals.update({
-            'discount': sale_discount,
-            'name': '%s%s' % (
-                '> ' * (line.pack_depth + 1), sol.name
-            ),
-        })
-        return vals
-
-    @api.multi
-    def get_price(self):
-        self.ensure_one()
-        return super().get_price() * (1 - self.sale_discount / 100.0)
diff --git a/models/sale_order_line.py b/models/sale_order_line.py
deleted file mode 100644
index 50721e3..0000000
--- a/models/sale_order_line.py
+++ /dev/null
@@ -1,84 +0,0 @@
-# Copyright 2019 Tecnativa - Ernesto Tejeda
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from odoo import fields, models, api, _
-from odoo.exceptions import UserError
-
-
-class SaleOrderLine(models.Model):
-    _inherit = 'sale.order.line'
-
-    @api.multi
-    def expand_pack_line(self, write=False):
-        self.ensure_one()
-        # if we are using update_pricelist or checking out on ecommerce we
-        # only want to update prices
-        do_not_expand = self._context.get('update_prices') or \
-            self._context.get('update_pricelist', False)
-        if (
-                self.state == 'draft' and
-                self.product_id.pack_ok and
-                self.pack_type == 'detailed'):
-            for subline in self.product_id.get_pack_lines():
-                vals = subline.get_sale_order_line_vals(self, self.order_id)
-                vals['sequence'] = self.sequence
-                vals['active'] = False
-                if write:
-                    existing_subline = self.search([
-                        ('product_id', '=', subline.product_id.id),
-                        ('pack_parent_line_id', '=', self.id),
-                    ], limit=1)
-                    # if subline already exists we update, if not we create
-                    if existing_subline:
-                        if do_not_expand:
-                            vals.pop('product_uom_qty')
-                        existing_subline.write(vals)
-                    elif not do_not_expand:
-                        self.create(vals)
-                else:
-                    self.create(vals)
-
-    @api.model
-    def create(self, vals):
-        record = super().create(vals)
-        record.expand_pack_line()
-        return record
-
-    @api.multi
-    def write(self, vals):
-        super().write(vals)
-        if 'product_id' in vals or 'product_uom_qty' in vals:
-            for record in self:
-                record.expand_pack_line(write=True)
-
-    def _get_real_price_currency(
-            self, product, rule_id, qty, uom, pricelist_id):
-        new_list_price, currency_id = super()._get_real_price_currency(
-            product, rule_id, qty, uom, pricelist_id)
-        pack_types = {'totalized', 'ignored'}
-        parent_line = self.pack_parent_line_id
-        if parent_line and parent_line.pack_type == 'details' \
-                and parent_line.pack_component_price in pack_types:
-            new_list_price = 0.0
-        return new_list_price, currency_id
-
-    @api.onchange('product_id', 'product_uom_qty', 'product_uom', 'price_unit',
-                  'discount', 'name', 'tax_id')
-    def check_pack_line_modify(self):
-        """ Do not let to edit a sale order line if this one belongs to pack
-        """
-        if self._origin.pack_parent_line_id and \
-           not self._origin.pack_parent_line_id.product_id.pack_modifiable:
-            raise UserError(_(
-                'You can not change this line because is part of a pack'
-                ' included in this order'))
-
-    @api.multi
-    def _get_display_price(self, product):
-        # We do this to clean the price if the parent of the
-        # component it's that type
-        pack_types = {'totalized', 'ignored'}
-        parent_line = self.pack_parent_line_id
-        if parent_line.pack_type == 'detailed' \
-                and parent_line.pack_component_price in pack_types:
-            return 0.0
-        return super()._get_display_price(product)