Checked a couple of them:

StandardCheckVisisbilityRedirector is unused since
    commit b1f8cf37
    Author: Noel Grandin <noel.grandin@collabora.co.uk>
    Date:   Wed Nov 2 10:57:21 2016 +0200
    loplugin:singlevalfields

SfxQueryStatus is unused since
    commit 64a708cb
    Author: Caolán McNamara <caolanm@redhat.com>
    Date:   Sat Nov 5 20:28:27 2016 +0000
    Revert "Reverts a commit series that cripple windows ci."

Change-Id: If1c9fe26c3ebc573d8c53c8f060b05c27f2711e5
Reviewed-on: https://gerrit.libreoffice.org/30840Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>