diff --git a/addons/project/__manifest__.py b/addons/project/__manifest__.py
index 6d630f43beb..b82fb54d36e 100644
--- a/addons/project/__manifest__.py
+++ b/addons/project/__manifest__.py
@@ -195,9 +195,6 @@
             'project/static/src/components/project_task_name_with_subtask_count_char_field/*',
             'project/static/src/components/project_task_state_selection/*',
             'project/static/src/components/project_many2one_field/*',
-            'partner_autocomplete/static/src/js/partner_autocomplete_core.js',
-            'partner_autocomplete/static/src/js/partner_autocomplete_many2one.js',
-            'partner_autocomplete/static/src/xml/partner_autocomplete.xml',
             'project/static/src/views/project_task_form/*.scss',
 
             'project/static/src/project_sharing/search/favorite_menu/custom_favorite_item.xml',
diff --git a/addons/project/views/project_sharing_project_task_views.xml b/addons/project/views/project_sharing_project_task_views.xml
index 8821b1e06ea..24e243771a7 100644
--- a/addons/project/views/project_sharing_project_task_views.xml
+++ b/addons/project/views/project_sharing_project_task_views.xml
@@ -110,6 +110,9 @@
                 <attribute name="delete">0</attribute>
                 <attribute name="import">0</attribute>
             </tree>
+            <xpath expr="//field[@widget='res_partner_many2one']" position="attributes">
+                <attribute name="widget">many2one</attribute>
+            </xpath>
             <field name="user_ids" position="replace">
                 <field name="portal_user_names" string="Assignees"/>
             </field>