diff --git a/tox.ini b/tox.ini
index 9d01d1450dd3..5cfaa87b4412 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,6 @@ commands = nosetests {posargs}
 downloadcache = ~/cache/pip
 
 [testenv:pep8]
-deps = pep8==1.1
 commands = python tools/hacking.py --ignore=N4 --repeat --show-source --exclude=.venv,.tox,dist,doc,openstack,*egg .
 
 [testenv:cover]
</div><div class="naked_ctrl">
<form action="/index.cgi/larger-text" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://opendev.org/openstack/nova/commit/9b66e81d2b8d688af7c9e77cc1fe0307ffcc5d9b.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://opendev.org/openstack/nova/commit/9b66e81d2b8d688af7c9e77cc1fe0307ffcc5d9b.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast">配色反転</option>
<option value="larger-text" selected="selected">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>