diff --git a/examples/catalogs.py b/examples/catalogs.py
deleted file mode 100644
index 30194f85..00000000
--- a/examples/catalogs.py
+++ /dev/null
@@ -1,68 +0,0 @@
-"""Catalogs example."""
-
-import sqlite3
-import httplib
-
-from objects.catalog import AbstractCatalog
-
-from objects.providers import Singleton
-from objects.providers import NewInstance
-
-from objects.injections import KwArg
-from objects.injections import Attribute
-
-
-class SomeModel(object):
-
-    """SomeModel has dependency on database and api client.
-
-    Dependencies need to be injected via init args.
-    """
-
-    def __init__(self, database, api_client):
-        """Initializer."""
-        self.database = database
-        self.api_client = api_client
-
-    def api_request(self):
-        """Make api request."""
-        self.api_client.request('GET', '/')
-        return self.api_client.getresponse()
-
-    def get_one(self):
-        """Select one from database and return it."""
-        return self.database.execute('SELECT 1').fetchone()[0]
-
-
-class Resources(AbstractCatalog):
-
-    """Resource providers catalog."""
-
-    database = Singleton(sqlite3.Connection,
-                         KwArg('database', ':memory:'),
-                         KwArg('timeout', 30),
-                         KwArg('detect_types', True),
-                         KwArg('isolation_level', 'EXCLUSIVE'),
-                         Attribute('row_factory', sqlite3.Row))
-
-    api_client = Singleton(httplib.HTTPConnection,
-                           KwArg('host', 'example.com'),
-                           KwArg('port', 80),
-                           KwArg('timeout', 10))
-
-
-class Models(AbstractCatalog):
-
-    """Model providers catalog."""
-
-    some_model = NewInstance(SomeModel,
-                             KwArg('database', Resources.database),
-                             KwArg('api_client', Resources.api_client))
-
-
-# Creating `SomeModel` instance.
-some_model = Models.some_model()
-
-# Making some asserts.
-assert some_model.get_one() == 1
-assert some_model.api_request().status == 200