How to remove unused using namespaces

Question

I am using visual studio 2010 and was wondering if there is a way to automatically remove all the namespaces that aren\'t being used at the the top of the page e.g.

Answer 1

For VS 2019 or ReSharper. If you add an unused using to the top of a file such as using System.IO; a light bulb appears. Clicking on the light bulb gives the option to remove the unused usings from either the file, folder, project or entire solution.