diff --git a/addons/project/security/project_security.xml b/addons/project/security/project_security.xml
index bd78cef7c75..4d43bbe87e7 100644
--- a/addons/project/security/project_security.xml
+++ b/addons/project/security/project_security.xml
@@ -275,9 +275,7 @@
             ('project_id.privacy_visibility', '!=', 'followers'),
             '|',
                 ('project_id.message_partner_ids', 'in', [user.partner_id.id]),
-                '|',
-                    ('task_id.message_partner_ids', 'in', [user.partner_id.id]),
-                    ('user_ids', 'in', user.id),
+                ('user_ids', 'in', user.id),
         ]</field>
         <field name="groups" eval="[(4,ref('project.group_project_user'))]"/>
     </record>