diff --git a/src/calibre/gui2/viewer/highlights.py b/src/calibre/gui2/viewer/highlights.py
index 930bc997ce..cbe4415826 100644
--- a/src/calibre/gui2/viewer/highlights.py
+++ b/src/calibre/gui2/viewer/highlights.py
@@ -1,9 +1,7 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 # vim:fileencoding=utf-8
 # License: GPL v3 Copyright: 2020, Kovid Goyal <kovid at kovidgoyal.net>
 
-from __future__ import absolute_import, division, print_function, unicode_literals
-
 from itertools import chain
 
 from PyQt5.Qt import (