diff --git a/addons/hr_timesheet/views/hr_timesheet_views.xml b/addons/hr_timesheet/views/hr_timesheet_views.xml
index d50c69d14b4..1b52e0cc96c 100644
--- a/addons/hr_timesheet/views/hr_timesheet_views.xml
+++ b/addons/hr_timesheet/views/hr_timesheet_views.xml
@@ -25,7 +25,7 @@
                 <tree editable="bottom" string="Timesheet Activities" sample="1">
                     <field name="date"/>
                     <field name="employee_id" invisible="1"/>
-                    <field name="project_id" required="1" options="{'no_create_edit': True}"/>
+                    <field name="project_id" required="1" options="{'no_create_edit': True, 'no_open': 1}"/>
                     <field name="task_id" optional="show" options="{'no_create_edit': True, 'no_open': True}" widget="task_with_hours" context="{'default_project_id': project_id}"/>
                     <field name="name" optional="show" required="0"/>
                     <field name="tag_ids" groups="analytic.group_analytic_tags" widget="many2many_tags" optional="hide"/>
diff --git a/addons/project/views/project_views.xml b/addons/project/views/project_views.xml
index 363798f7ebb..3f240e547ff 100644
--- a/addons/project/views/project_views.xml
+++ b/addons/project/views/project_views.xml
@@ -1185,7 +1185,7 @@
                                     <field name="child_text" invisible="1"/>
                                     <field name="allow_subtasks" invisible="1"/>
                                     <field name="name" widget="name_with_subtask_count"/>
-                                    <field name="display_project_id" string="Project" optional="hide"/>
+                                    <field name="display_project_id" string="Project" optional="hide" options="{'no_open': 1}"/>
                                     <field name="milestone_id"
                                         optional="hide"
                                         context="{'default_project_id': display_project_id or project_id}"
@@ -1220,7 +1220,7 @@
                                     <field name="allow_subtasks" invisible="1"/>
                                     <field name="name" widget="name_with_subtask_count"/>
                                     <field name="id" optional="hide"/>
-                                    <field name="project_id" optional="hide" />
+                                    <field name="project_id" optional="hide" options="{'no_open': 1}" />
                                     <field name="milestone_id"
                                         optional="hide"
                                         context="{'default_project_id': project_id if not parent_id or not display_project_id else display_project_id}"
@@ -1485,7 +1485,7 @@
                     <field name="child_text" invisible="1"/>
                     <field name="allow_subtasks" invisible="1"/>
                     <field name="name" widget="name_with_subtask_count"/>
-                    <field name="project_id" widget="project_private_task" optional="show" readonly="1"/>
+                    <field name="project_id" widget="project_private_task" optional="show" readonly="1" options="{'no_open': 1}"/>
                     <field name="milestone_id" attrs="{'invisible': [('allow_milestones', '=', False)]}" context="{'default_project_id': project_id}" groups="project.group_project_milestone"/>
                     <field name="partner_id" optional="hide"/>
                     <field name="parent_id" optional="hide" attrs="{'invisible': [('allow_subtasks', '=', False)]}" groups="base.group_no_one"/>
@@ -1517,7 +1517,7 @@
                 <tree string="Next Activities" decoration-danger="not is_closed and activity_date_deadline &lt; current_date" default_order="activity_date_deadline" multi_edit="1">
                     <field name="is_closed"/>
                     <field name="name"/>
-                    <field name="project_id"/>
+                    <field name="project_id" options="{'no_open': 1}"/>
                     <field name="activity_date_deadline"/>
                     <field name="activity_type_id"/>
                     <field name="activity_summary"/>