diff --git a/addons/stock/wizard/__init__.py b/addons/stock/wizard/__init__.py
index 2a31ee00bf0..785ecff3954 100644
--- a/addons/stock/wizard/__init__.py
+++ b/addons/stock/wizard/__init__.py
@@ -14,4 +14,3 @@ from . import stock_warn_insufficient_qty
 from . import product_replenish
 from . import stock_track_confirmation
 from . import stock_package_destination
-from . import stock_picking_responsible  # TODO: Remove this import in 13.1
diff --git a/addons/stock/wizard/stock_picking_responsible.py b/addons/stock/wizard/stock_picking_responsible.py
deleted file mode 100644
index 8855d6d4b45..00000000000
--- a/addons/stock/wizard/stock_picking_responsible.py
+++ /dev/null
@@ -1,26 +0,0 @@
-# -*- coding: utf-8 -*-
-# Part of Odoo. See LICENSE file for full copyright and licensing details.
-
-from odoo import _, fields, models
-from odoo.exceptions import UserError
-
-
-# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-# TODO: REMOVE THIS FILE IN 13.1 !
-# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-class StockPickingResponsible(models.TransientModel):
-    _name = 'stock.picking.responsible'
-    _description = 'Assign Responsible'
-
-    user_id = fields.Many2one(
-        'res.users', 'Responsible',
-        domain=lambda self: [('groups_id', 'in', self.env.ref('stock.group_stock_user').id)],
-        default=lambda self: self.env.user)
-
-    def assign_responsible(self):
-        self.ensure_one()
-        pickings = self.env['stock.picking'].browse(self.env.context.get('active_ids'))
-        restricted_companies = pickings.company_id - self.user_id.company_ids
-        if restricted_companies:
-            raise UserError(_('%s has a restricted access to %s') % (self.user_id.name, restricted_companies.mapped('name')))
-        pickings.write({'user_id': self.user_id.id})