Some modules were importing DBus without actually using it.
https://bugzilla.gnome.org/show_bug.cgi?id=648651
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
-const DBus = imports.dbus;
const GConf = imports.gi.GConf;
const Gio = imports.gi.Gio;
const Gtk = imports.gi.Gtk;
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const ByteArray = imports.byteArray;
-const DBus = imports.dbus;
const GLib = imports.gi.GLib;
const GObject = imports.gi.GObject;
const Lang = imports.lang;
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
-const DBus = imports.dbus;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Shell = imports.gi.Shell;
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
-const DBus = imports.dbus;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const AccountsService = imports.gi.AccountsService;
-const DBus = imports.dbus;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;