Rated 5 out of 5 stars

Thank you very much Oleksandr, this is brilliant, an essential tool for people who like everything minimal :-)

I just have a couple of issues to mention ... Ghostery in the tools menu refuses to be hidden for some reason. I can hide it for a session but when I restart FF it's back there every time. Ghostery has no native option to hide its tools menu item either. I even tried shifting it to a hidden sub-menu but it doesn't help sadly. It's only a minor annoyance though.

The other thing is, in FF29 I tried using Classic Theme Restorer to put the App Menu in the toolbar next to the address box. This works fine, but your add on doesn't recognise it so I can't edit any items in it. Can anything be done about this?

Many thanks for your work anyway, great job.

This review is for a previous version of the add-on (1.00.1-signed). 

please update to 1.01
https://addons.mozilla.org/firefox/addon/s3menu-wizard/versions/