Start Killer is a free tiny tool that allows you to remove your start button & get additional space. It is very useful if you use hotkey to open the start menu.
How to use:
Just download & install the tool. Now whenever you will run the tool it will remove the start button as well as give you additional space:
To access its settings right-click on the knife icon & select Settings. There you will find some options like Load on system startup & Show Icon in System Tray: