Something

static void
ephy_bookmark_keywords_extension_finalize (GObject *object)
{
        EphyBookmarks *bookmarks;
        EphyNode      *bmks;


        LOG ("EphyBookmarkKeywordsExtension finalising");

        EphyBookmarkKeywordsExtension *extension = EPHY_BOOKMARK_KEYWORDS_EXTENSION (object);

        bookmarks = ephy_shell_get_bookmarks (ephy_shell);
        bmks = ephy_bookmarks_get_bookmarks (bookmarks);

        g_signal_handlers_disconnect_by_func (bookmarks,
                                              G_CALLBACK (resolve_address_cb),
                                              NULL);

        ephy_node_signal_disconnect_object (bmks,
                                            EPHY_NODE_CHILD_ADDED,
                                            (EphyNodeCallback) bookmark_added_cb,
                                            G_OBJECT (extension));

        ephy_node_signal_disconnect_object (bmks,
                                            EPHY_NODE_CHILD_CHANGED,
                                            (EphyNodeCallback) bookmark_changed_cb,
                                            G_OBJECT (extension));

        ephy_node_signal_disconnect_object (bmks,
                                            EPHY_NODE_CHILD_REMOVED,
                                            (EphyNodeCallback) bookmark_removed_cb,
                                            G_OBJECT (extension));

        g_hash_table_destroy (extension->priv->kw2url_map);

        G_OBJECT_CLASS (parent_class)->finalize (object);
}