diff --git a/django/contrib/contenttypes/management.py b/django/contrib/contenttypes/management.py
index 61ee28548bb..736e2136654 100644
--- a/django/contrib/contenttypes/management.py
+++ b/django/contrib/contenttypes/management.py
@@ -7,22 +7,21 @@ def update_contenttypes(app, created_models, verbosity=2, **kwargs):
     Creates content types for models in the given app, removing any model
     entries that no longer have a matching model class.
     """
-    db = kwargs['db']
     ContentType.objects.clear_cache()
-    content_types = list(ContentType.objects.using(db).filter(app_label=app.__name__.split('.')[-2]))
+    content_types = list(ContentType.objects.filter(app_label=app.__name__.split('.')[-2]))
     app_models = get_models(app)
     if not app_models:
         return
     for klass in app_models:
         opts = klass._meta
         try:
-            ct = ContentType.objects.using(db).get(app_label=opts.app_label,
-                                                   model=opts.object_name.lower())
+            ct = ContentType.objects.get(app_label=opts.app_label,
+                                         model=opts.object_name.lower())
             content_types.remove(ct)
         except ContentType.DoesNotExist:
             ct = ContentType(name=smart_unicode(opts.verbose_name_raw),
                 app_label=opts.app_label, model=opts.object_name.lower())
-            ct.save(using=db)
+            ct.save()
             if verbosity >= 2:
                 print "Adding content type '%s | %s'" % (ct.app_label, ct.model)
     # The presence of any remaining content types means the supplied app has an