Throw this in your init.el
(scroll-bar-mode -1)
(tool-bar-mode -1)
(menu-bar-mode -1)
(global-linum-mode 0)
And it will instantly look a lot cleaner. If you want to toggle it you can turn it into a function and bind it to a key.
...what? You're gonna take away the scrollbar just like that? Implying that the scrollbar is worthless? Scrollbar is very important to me at least, (especially a well-implemented one). It gives me a quick and instant visual understanding of how big the file is, where I am currently in the file, etc. The only improvement I have seen on the scrollbar is Sublime's minimap... I knew there exist emacs methods to get it working, but I could not get it to work (on Windows) in less than a few days so that's of no use to me.