ReflectedSchemas folder in the user's AppData folder (Visual Studio)

Question

Today I ran WinDirStat to check what is filling up my harddisk. I was surprised to see that this folder contains 4.6 GB (!):

C:\Users\...\AppData\Roaming\Microsoft\VisualStudio\9.0\ReflectedSchemas 

What is the purpose of this folder and the files it contains? Is there a way to get rid of these files in a safe way?

Thanks!

Answer 1

I've tried to empty the folder completely, and have no problems found since i've done. When launching a project in VS, a new schema was created.

Edit: you can also move the folder and put it back when you believe you screwed things up...