diff --git a/addons/sale_timesheet/__manifest__.py b/addons/sale_timesheet/__manifest__.py
index beb318b3ad9..9a5c5f71075 100644
--- a/addons/sale_timesheet/__manifest__.py
+++ b/addons/sale_timesheet/__manifest__.py
@@ -26,7 +26,6 @@ have real delivered quantities in sales orders.
         'views/hr_timesheet_templates.xml',
         'report/project_profitability_report_analysis_views.xml',
         'data/sale_timesheet_filters.xml',
-        'wizard/project_task_assign_so_line_views.xml',
         'wizard/project_create_sale_order_views.xml',
         'wizard/project_create_invoice_views.xml',
     ],
diff --git a/addons/sale_timesheet/wizard/__init__.py b/addons/sale_timesheet/wizard/__init__.py
index 0a4df69a6c2..ca68115ebf6 100644
--- a/addons/sale_timesheet/wizard/__init__.py
+++ b/addons/sale_timesheet/wizard/__init__.py
@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from . import project_task_assign_so_line
 from . import project_create_sale_order
 from . import project_create_invoice
diff --git a/addons/sale_timesheet/wizard/project_task_assign_so_line.py b/addons/sale_timesheet/wizard/project_task_assign_so_line.py
deleted file mode 100644
index 48f424f9b73..00000000000
--- a/addons/sale_timesheet/wizard/project_task_assign_so_line.py
+++ /dev/null
@@ -1,29 +0,0 @@
-# -*- coding: utf-8 -*-
-# Part of Odoo. See LICENSE file for full copyright and licensing details.
-
-from odoo import api, fields, models
-
-
-class ProjectTaskAssignSOLine(models.TransientModel):
-    _name = 'project.task.assign.sale'
-    _description = "Assign Sale Order line to tasks"
-
-    @api.model
-    def default_get(self, fields):
-        result = super(ProjectTaskAssignSOLine, self).default_get(fields)
-        if self._context.get('active_model') == 'project.task' and 'task_ids' in fields:
-            result['task_ids'] = self._context.get('active_ids', [])
-        return result
-
-    sale_line_id = fields.Many2one('sale.order.line', 'Sales Order Item', domain=[('is_service', '=', True)], help="Sale order line to link to selected tasks")
-    partner_id = fields.Many2one('res.partner', related='sale_line_id.order_partner_id', readonly=True)
-    task_ids = fields.Many2many('project.task', 'project_task_assign_so_line_rel', 'task_id', 'wizard_id', string='Tasks', domain=[('parent_id', '=', False)], help="Select the tasks to assign to the Sale Order Items. You can only choose task (no sub tasks).")
-
-    @api.multi
-    def action_assign_sale_line(self):
-        for wizard in self:
-            wizard.task_ids.write({
-                'sale_line_id': wizard.sale_line_id.id,
-                'partner_id': wizard.partner_id.id,
-            })
-        return {'type': 'ir.actions.act_window_close'}
diff --git a/addons/sale_timesheet/wizard/project_task_assign_so_line_views.xml b/addons/sale_timesheet/wizard/project_task_assign_so_line_views.xml
deleted file mode 100644
index e28f411c8b6..00000000000
--- a/addons/sale_timesheet/wizard/project_task_assign_so_line_views.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<odoo>
-
-	<record id="project_task_assign_so_line_view_form" model="ir.ui.view">
-		<field name="name">project.task.assign.sale.wizard.form</field>
-		<field name="model">project.task.assign.sale</field>
-		<field name="arch" type="xml">
-			<form string="Assign sale line to Tasks">
-				<group>
-					<field name="task_ids" widget="many2many_tags"/>
-					<field name="sale_line_id" options="{'no_create_edit': True}" context="{'sale_show_order_product_name': True}"/>
-					<field name="partner_id"/>
-				</group>
-				<footer>
-					<button string="Assign" type="object" name="action_assign_sale_line" class="oe_highlight"/>
-					<button string="Cancel" special="cancel" type="object" class="btn btn-secondary oe_inline"/>
-				</footer>
-			</form>
-		</field>
-	</record>
-
-    <record id="project_task_action_multi_assign_so_line" model="ir.actions.act_window">
-        <field name="name">Assign Sale Order Item</field>
-        <field name="type">ir.actions.act_window</field>
-        <field name="res_model">project.task.assign.sale</field>
-        <field name="view_type">form</field>
-        <field name="view_mode">form</field>
-        <field name="view_id" ref="project_task_assign_so_line_view_form"/>
-        <field name="target">new</field>
-        <field name="multi">True</field>
-        <field name="binding_model_id" ref="project.model_project_task"/>
-    </record>
-
-</odoo>