How to uninstall all .NET Framework 4.6.1 Language and Targeting Packs at once?

Question

Somehow, I've managed to install countless language and targeting packs for the Microsoft .NET Framework 4.6.1. I assume it happened while installing Visual Studio 2015.1. Usually I take extra care not to install any language packs, but this one somehow slipped through the cracks. The result is this:

And the list goes on. I've uninstalled a couple of then already by individually selecting them and uninstalling. However, this is a time consuming process.
So, can I uninstall these packs at once?

Solution

you can try this .NET Framework Cleanup Tool: http://blogs.msdn.com/b/astebner/archive/2008/08/28/8904493.aspx