diff --git a/stock_reserve_rule/__manifest__.py b/stock_reserve_rule/__manifest__.py
index 7260fc480..f848698c8 100644
--- a/stock_reserve_rule/__manifest__.py
+++ b/stock_reserve_rule/__manifest__.py
@@ -7,7 +7,11 @@
     "author": "Camptocamp, Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/stock-logistics-warehouse",
     "category": "Stock Management",
-    "depends": ["stock", "product_packaging_type"],  # OCA/product-attribute
+    "depends": [
+        "stock",
+        "stock_helper",
+        "product_packaging_type",  # OCA/product-attribute
+    ],
     "demo": [
         "demo/product_demo.xml",
         "demo/stock_location_demo.xml",
diff --git a/stock_reserve_rule/models/__init__.py b/stock_reserve_rule/models/__init__.py
index 47796b0c2..2dc701116 100644
--- a/stock_reserve_rule/models/__init__.py
+++ b/stock_reserve_rule/models/__init__.py
@@ -1,5 +1,4 @@
 from . import stock_move
-from . import stock_location
 from . import stock_quant
 from . import stock_picking_type
 from . import stock_reserve_rule
diff --git a/stock_reserve_rule/models/stock_location.py b/stock_reserve_rule/models/stock_location.py
deleted file mode 100644
index 60caf1b3f..000000000
--- a/stock_reserve_rule/models/stock_location.py
+++ /dev/null
@@ -1,14 +0,0 @@
-# Copyright 2019 Camptocamp SA
-# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from odoo import models
-
-
-class StockLocation(models.Model):
-    _inherit = "stock.location"
-
-    def is_sublocation_of(self, others):
-        """Return True if self is a sublocation of at least one other"""
-        self.ensure_one()
-        # Efficient way to verify that the current location is
-        # below one of the other location without using SQL.
-        return any(self.parent_path.startswith(other.parent_path) for other in others)