diff --git a/addons/mrp/models/stock_quant.py b/addons/mrp/models/stock_quant.py
deleted file mode 100644
index 6074735a737..00000000000
--- a/addons/mrp/models/stock_quant.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# -*- coding: utf-8 -*-
-# Part of Odoo. See LICENSE file for full copyright and licensing details.
-
-from odoo import fields, models
-
-
-class StockQuant(models.Model):
-    _inherit = 'stock.quant'
-
-    consumed_quant_ids = fields.Many2many(
-        'stock.quant', 'stock_quant_consume_rel', 'produce_quant_id', 'consume_quant_id')
-    produced_quant_ids = fields.Many2many(
-        'stock.quant', 'stock_quant_consume_rel', 'consume_quant_id', 'produce_quant_id')
-
-    def _prepare_history(self):
-        vals = super(StockQuant, self)._prepare_history()
-        vals['consumed_quant_ids'] = [(4, quant.id) for quant in self.consumed_quant_ids]
-        vals['produced_quant_ids'] = [(4, quant.id) for quant in self.produced_quant_ids]
-        return vals