How to delete Work Item from Team Foundation Server

Question

Is there a chance to delete Work Item from TFS, or all I can do is just to rename it.

Update: This question was for TFS 2008. New version (2010) have out of the

Answer 1

The answers here are obsolete for TFS 2010. You need to use the 'witadmin destroywi' command now.

http://msdn.microsoft.com/en-us/library/dd236908.aspx