diff --git a/gajim/gtkexcepthook.py b/gajim/gtkexcepthook.py
index 7df6047f4..09052d2f6 100644
--- a/gajim/gtkexcepthook.py
+++ b/gajim/gtkexcepthook.py
@@ -1,25 +1,21 @@
-# -*- coding:utf-8 -*-
-## gajim/gtkexcepthook.py
-##
-## Copyright (C) 2016-2018 Philipp Hörist <philipp AT hoerist.com>
-## Copyright (C) 2005-2006 Nikos Kouremenos <kourem AT gmail.com>
-## Copyright (C) 2005-2014 Yann Leboulanger <asterix AT lagaule.org>
-## Copyright (C) 2008 Stephan Erb <steve-e AT h3c.de>
-##
-## This file is part of Gajim.
-##
-## Gajim is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published
-## by the Free Software Foundation; version 3 only.
-##
-## Gajim is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
-##
+# Copyright (C) 2016-2018 Philipp Hörist <philipp AT hoerist.com>
+# Copyright (C) 2005-2006 Nikos Kouremenos <kourem AT gmail.com>
+# Copyright (C) 2005-2014 Yann Leboulanger <asterix AT lagaule.org>
+# Copyright (C) 2008 Stephan Erb <steve-e AT h3c.de>
+#
+# This file is part of Gajim.
+#
+# Gajim is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published
+# by the Free Software Foundation; version 3 only.
+#
+# Gajim is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
 
 import sys
 import os
@@ -31,8 +27,6 @@ from io import StringIO
 from urllib.parse import urlencode
 
 import nbxmpp
-import gi
-gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk, GObject
 
 try: