diff --git a/ext/odoo/addons/account/models/chart_template.py b/ext/odoo/addons/account/models/chart_template.py
index b1c58673..45d5fae1 100644
--- a/ext/odoo/addons/account/models/chart_template.py
+++ b/ext/odoo/addons/account/models/chart_template.py
@@ -914,10 +914,8 @@ class WizardMultiChartsAccounts(models.TransientModel):
         IrConfig = self.env['ir.config_parameter']
         if self.sale_tax_id and taxes_ref:
             IrDefault.sudo().set('product.template', "taxes_id", [taxes_ref[self.sale_tax_id.id]], company_id=company.id)
-            IrConfig.sudo().set_param("account.default_sale_tax_id", taxes_ref[self.sale_tax_id.id])
         if self.purchase_tax_id and taxes_ref:
             IrDefault.sudo().set('product.template', "supplier_taxes_id", [taxes_ref[self.purchase_tax_id.id]], company_id=company.id)
-            IrConfig.sudo().set_param("account.default_purchase_tax_id", taxes_ref[self.purchase_tax_id.id])
 
         # Create Bank journals
         self._create_bank_journals_from_o2m(company, acc_template_ref)
diff --git a/ext/odoo/addons/account/models/res_config_settings.py b/ext/odoo/addons/account/models/res_config_settings.py
index 6949c38e..990a1c83 100644
--- a/ext/odoo/addons/account/models/res_config_settings.py
+++ b/ext/odoo/addons/account/models/res_config_settings.py
@@ -64,17 +64,18 @@ class ResConfigSettings(models.TransientModel):
     def get_values(self):
         res = super(ResConfigSettings, self).get_values()
         params = self.env['ir.config_parameter'].sudo()
+
+        supplier_tax_ids = self.env['ir.default'].get('product.template', "supplier_taxes_id", company_id=True)
+        sale_tax_ids = self.env['ir.default'].get('product.template', "taxes_id", company_id=True)
         res.update(
-            default_purchase_tax_id=int(params.get_param('account.default_purchase_tax_id', default=False)) or False,
-            default_sale_tax_id=int(params.get_param('account.default_sale_tax_id', default=False)) or False
+            default_purchase_tax_id=supplier_tax_ids and supplier_tax_ids[0] or False,
+            default_sale_tax_id=sale_tax_ids and sale_tax_ids[0] or False,
         )
         return res
 
     @api.multi
     def set_values(self):
         super(ResConfigSettings, self).set_values()
-        self.env['ir.config_parameter'].sudo().set_param("account.default_purchase_tax_id", self.default_purchase_tax_id.id)
-        self.env['ir.config_parameter'].sudo().set_param("account.default_sale_tax_id", self.default_sale_tax_id.id)
         if self.group_multi_currency:
             self.env.ref('base.group_user').write({'implied_ids': [(4, self.env.ref('product.group_sale_pricelist').id)]})
         """ Set the product taxes if they have changed """