diff --git a/addons/sale_timesheet/tests/test_sale_timesheet.py b/addons/sale_timesheet/tests/test_sale_timesheet.py
index c958f8e1715..22b6ac9f684 100644
--- a/addons/sale_timesheet/tests/test_sale_timesheet.py
+++ b/addons/sale_timesheet/tests/test_sale_timesheet.py
@@ -4,7 +4,6 @@ from datetime import date, timedelta
 
 from odoo.tools import float_is_zero
 from odoo.exceptions import UserError
-
 from odoo.addons.sale_timesheet.tests.common import TestCommonSaleTimesheetNoChart
 
 
@@ -173,6 +172,7 @@ class TestSaleTimesheet(TestCommonSaleTimesheetNoChart):
                 6. add new SO line (delivered service)
         """
         # create SO and confirm it
+        self.env['res.currency.rate'].search([]).unlink()
         sale_order = self.env['sale.order'].create({
             'partner_id': self.partner_customer_usd.id,
             'partner_invoice_id': self.partner_customer_usd.id,