diff --git a/qutebrowser/misc/mhtml.py b/qutebrowser/misc/mhtml.py
index 9c8e66662..f2b04f128 100644
--- a/qutebrowser/misc/mhtml.py
+++ b/qutebrowser/misc/mhtml.py
@@ -26,7 +26,6 @@ import re
 
 from collections import namedtuple
 from base64 import b64encode
-from urllib.parse import urljoin
 from uuid import uuid4
 
 from PyQt5.QtCore import QUrl