diff --git a/addons/base_address_city/models/res_partner.py b/addons/base_address_city/models/res_partner.py
index f5c64f80ae0..ab1f0518864 100644
--- a/addons/base_address_city/models/res_partner.py
+++ b/addons/base_address_city/models/res_partner.py
@@ -5,30 +5,6 @@ from lxml import etree
 
 from odoo import api, models, fields
 
-class FormatAddressMixin(models.AbstractModel):
-    _inherit = "format.address.mixin"
-
-    @api.model
-    def _fields_view_get_address(self, arch):
-        arch = super(FormatAddressMixin, self)._fields_view_get_address(arch)
-        if self._name == 'res.partner':
-            #render the partner address accordingly to address_view_id
-            doc = etree.fromstring(arch)
-            for city_node in doc.xpath("//field[@name='city']"):
-                replacement_xml = """
-                <div>
-                    <field name="country_enforce_cities" invisible="1"/>
-                    <field name='city' attrs="{'invisible': [('country_enforce_cities', '=', True), ('city_id', '!=', False)]}"/>
-                    <field name='city_id' attrs="{'invisible': [('country_enforce_cities', '=', False)]}"/>
-                </div>
-                """
-                city_id_node = etree.fromstring(replacement_xml)
-                city_node.getparent().replace(city_node, city_id_node)
-
-            arch = etree.tostring(doc)
-        return arch
-
-
 class Partner(models.Model):
     _inherit = 'res.partner'
 
@@ -40,3 +16,22 @@ class Partner(models.Model):
         self.city = self.city_id.name
         self.zip = self.city_id.zipcode
         self.state_id = self.city_id.state_id
+
+    @api.model
+    def _fields_view_get_address(self, arch):
+        arch = super(Partner, self)._fields_view_get_address(arch)
+        # render the partner address accordingly to address_view_id
+        doc = etree.fromstring(arch)
+        for city_node in doc.xpath("//field[@name='city']"):
+            replacement_xml = """
+            <div>
+                <field name="country_enforce_cities" invisible="1"/>
+                <field name='city' attrs="{'invisible': [('country_enforce_cities', '=', True), ('city_id', '!=', False)]}"/>
+                <field name='city_id' attrs="{'invisible': [('country_enforce_cities', '=', False)]}"/>
+            </div>
+            """
+            city_id_node = etree.fromstring(replacement_xml)
+            city_node.getparent().replace(city_node, city_id_node)
+
+        arch = etree.tostring(doc)
+        return arch