diff --git a/localized_fields/fields/localized_field.py b/localized_fields/fields/localized_field.py
index 3085a14..34ae876 100644
--- a/localized_fields/fields/localized_field.py
+++ b/localized_fields/fields/localized_field.py
@@ -18,12 +18,6 @@ class LocalizedField(HStoreField):
     def __init__(self, *args, **kwargs):
         """Initializes a new instance of :see:LocalizedField."""
 
-        required = kwargs.get('required')
-        if required is None:
-            required = [settings.LANGUAGE_CODE]
-
-        kwargs['required'] = required
-
         super(LocalizedField, self).__init__(*args, **kwargs)
 
     @staticmethod
diff --git a/localized_fields/models.py b/localized_fields/models.py
index fb70e08..2f681f8 100644
--- a/localized_fields/models.py
+++ b/localized_fields/models.py
@@ -1,12 +1,10 @@
-from django.db import models, transaction
-from django.db.utils import IntegrityError
-from django.conf import settings
+from psqlextra.models import PostgresModel
 
 from .fields import LocalizedField
 from .localized_value import LocalizedValue
 
 
-class LocalizedModel(models.Model):
+class LocalizedModel(PostgresModel):
     """A model that contains localized fields."""
 
     class Meta: