How to: Delete Related Work Item Links
You might want to remove a link to a related work item, for example, if the link changes in the process of being addressed so that it no longer is related, or if it turns out not to be related to the work item from which it is linked.
To perform these procedures, you must be a member of the Contributors group or have the View work items in this node, and Edit work items in this node permissions set to Allow. For more information, see Team Foundation Server Permissions.
To remove related work item links
Go to an existing work item from which you want to remove a link.
Click the Links tab on the form.
Select the link in the Name list, and then click Delete.
When you are prompted to confirm that you want to remove the selected link, click Yes.
Click Save to save the work item.