diff --git a/addons/project/models/project_task.py b/addons/project/models/project_task.py
index ec80a54ba91..fc54bc051bb 100644
--- a/addons/project/models/project_task.py
+++ b/addons/project/models/project_task.py
@@ -1356,12 +1356,6 @@ class Task(models.Model):
             self.description = message.body
         return super(Task, self)._message_post_after_hook(message, msg_vals)
 
-    def action_assign_to_me(self):
-        self.write({'user_ids': [(4, self.env.user.id)]})
-
-    def action_unassign_me(self):
-        self.write({'user_ids': [Command.unlink(self.env.uid)]})
-
     def _get_all_subtasks(self):
         return self.browse(set.union(set(), *self._get_subtask_ids_per_task_id().values()))
 
diff --git a/addons/project/views/project_sharing_project_task_views.xml b/addons/project/views/project_sharing_project_task_views.xml
index 99072f7ad88..d9f490483ba 100644
--- a/addons/project/views/project_sharing_project_task_views.xml
+++ b/addons/project/views/project_sharing_project_task_views.xml
@@ -125,10 +125,6 @@
         <field name="arch" type="xml">
             <form string="Project Sharing: Task" class="o_form_project_tasks">
                 <header>
-                    <button name="action_assign_to_me" string="Assign to Me" type="object" class="oe_highlight"
-                            attrs="{'invisible' : &quot;[('user_ids', 'in', [uid])]&quot;}" data-hotkey="q" groups="base.group_user"/>
-                    <button name="action_unassign_me" string="Unassign Me" type="object" class="oe_highlight"
-                            attrs="{'invisible' : &quot;[('user_ids', 'not in', [uid])]&quot;}" data-hotkey="q"/>
                     <field name="stage_id" widget="statusbar" options="{'clickable': '1', 'fold_field': 'fold'}" attrs="{'invisible': [('project_id', '=', False), ('stage_id', '=', False)]}" />
                 </header>
                 <div groups="base.group_user" role="status" class="alert alert-info alert-dismissible rounded-0 fade show d-print-none css_editable_mode_hidden">
diff --git a/addons/project/views/project_task_views.xml b/addons/project/views/project_task_views.xml
index 367fbd029b8..648b00c29c0 100644
--- a/addons/project/views/project_task_views.xml
+++ b/addons/project/views/project_task_views.xml
@@ -251,8 +251,6 @@
                     <field name="company_id" invisible="1"/>
                     <field name="is_private" invisible="1"/>
                     <header>
-                        <button name="action_assign_to_me" string="Assign to Me" type="object" class="oe_highlight" attrs="{'invisible' : &quot;['|', ('user_ids', 'in', uid), ('user_ids', '!=', [])]&quot;}" data-hotkey="q"/>
-                        <button name="action_assign_to_me" string="Assign to Me" type="object" attrs="{'invisible': &quot;['|', ('user_ids', 'in', uid), ('user_ids', '=', [])]&quot;}" data-hotkey="q"/>
                         <field name="stage_id" widget="statusbar" options="{'clickable': '1', 'fold_field': 'fold'}" attrs="{'invisible': [('project_id', '=', False), ('stage_id', '=', False)]}"/>
                         <field name="state" widget="statusbar" options="{'clickable': '1', 'fold_field': 'fold'}" invisible="1"/>
                         <field name="personal_stage_type_id" widget="statusbar" options="{'clickable': '1', 'fold_field': 'fold'}" attrs="{'invisible': [('is_private', '=', False)]}" domain="[('user_id', '=', uid)]" string="Personal Stage"/>