diff --git a/addons/sale_project/models/project.py b/addons/sale_project/models/project.py
index 2e30ae70eca..22f021c47d9 100644
--- a/addons/sale_project/models/project.py
+++ b/addons/sale_project/models/project.py
@@ -53,7 +53,7 @@ class ProjectTask(models.Model):
 
     sale_order_id = fields.Many2one('sale.order', 'Sales Order', help="Sales order to which the task is linked.")
     sale_line_id = fields.Many2one(
-        'sale.order.line', 'Sales Order Item', domain="[('is_service', '=', True), ('order_partner_id', 'child_of', commercial_partner_id), ('is_expense', '=', False), ('state', 'in', ['sale', 'done']), ('order_id', '=?', project_sale_order_id)]",
+        'sale.order.line', 'Sales Order Item', domain="[('is_service', '=', True), ('order_partner_id', 'child_of', commercial_partner_id), ('is_expense', '=', False), ('state', 'in', ['sale', 'done'])]",
         compute='_compute_sale_line', store=True, readonly=False, copy=False,
         help="Sales order item to which the project is linked. Link the timesheet entry to the sales order item defined on the project. "
         "Only applies on tasks without sale order item defined, and if the employee is not in the 'Employee/Sales Order Item Mapping' of the project.")
diff --git a/addons/sale_project/views/project_task_views.xml b/addons/sale_project/views/project_task_views.xml
index 2d2bd57e83e..465b1f1428d 100644
--- a/addons/sale_project/views/project_task_views.xml
+++ b/addons/sale_project/views/project_task_views.xml
@@ -46,7 +46,6 @@
                 <field name="sale_order_id" attrs="{'invisible': True}" groups="sales_team.group_sale_salesman"/>
                 <field name="sale_line_id" string="Sales Order Item" attrs="{'invisible': [('partner_id', '=', False)]}" options='{"no_open": True}' readonly="1" context="{'create': False, 'edit': False, 'delete': False}"/>
                 <field name="commercial_partner_id" invisible="1" />
-                <field name="project_sale_order_id" invisible="1"/>
             </xpath>
         </field>
     </record>
diff --git a/addons/sale_timesheet/views/project_task_views.xml b/addons/sale_timesheet/views/project_task_views.xml
index 2e72e04decb..31d1f56b55e 100644
--- a/addons/sale_timesheet/views/project_task_views.xml
+++ b/addons/sale_timesheet/views/project_task_views.xml
@@ -154,7 +154,7 @@
                     <field name="so_line"
                         attrs="{'column_invisible': [('parent.allow_billable', '=', False)]}"
                         context="{'with_remaining_hours': True, 'with_price_unit': True}" options="{'no_create': True, 'no_open': True}"
-                        domain="[('is_service', '=', True), ('order_partner_id', 'child_of', parent.commercial_partner_id), ('is_expense', '=', False), ('state', 'in', ['sale', 'done']), ('order_id', '=?', parent.project_sale_order_id)]"
+                        domain="[('is_service', '=', True), ('order_partner_id', 'child_of', parent.commercial_partner_id), ('is_expense', '=', False), ('state', 'in', ['sale', 'done'])]"
                         optional="hide"/>
                 </xpath>
                 <xpath expr="//field[@name='remaining_hours']" position="after">