diff --git a/scrapy/addons/__init__.py b/scrapy/addons/__init__.py
index 15460143c..b1d6e14cb 100644
--- a/scrapy/addons/__init__.py
+++ b/scrapy/addons/__init__.py
@@ -1,7 +1,5 @@
 from collections import defaultdict, Mapping
-from importlib import import_module
 from inspect import isclass
-import os
 import six
 import warnings
 
@@ -11,7 +9,6 @@ from zope.interface.verify import verifyObject
 
 from scrapy.exceptions import NotConfigured
 from scrapy.interfaces import IAddon
-from scrapy.settings import BaseSettings
 from scrapy.utils.conf import config_from_filepath, get_config
 from scrapy.utils.misc import load_module_or_object
 from scrapy.utils.project import get_project_path
diff --git a/tests/test_addons/__init__.py b/tests/test_addons/__init__.py
index c98f0ab65..84870ec52 100644
--- a/tests/test_addons/__init__.py
+++ b/tests/test_addons/__init__.py
@@ -1,7 +1,5 @@
 import os.path
 import six
-from six.moves.configparser import SafeConfigParser
-import sys
 from tests import mock
 import unittest
 import warnings
@@ -15,7 +13,7 @@ import scrapy.addons
 from scrapy.addons import Addon, AddonManager
 from scrapy.crawler import Crawler
 from scrapy.interfaces import IAddon
-from scrapy.settings import BaseSettings, Settings
+from scrapy.settings import BaseSettings
 
 from . import addons
 from . import addonmod