How to: Delete a Member or Collection (Master Data Services)
In Master Data Manager, delete a member or collection when you no longer need it.
You cannot delete a member if it is used as a domain-based attribute value for another member.
To delete a member or collection
On the Master Data Manager home page, from the Model list, select a model.
From the Version list, select a version.
To delete a member, from the menu bar, point to Entities and click the name of the entity that contains the member. To delete a collection, from the menu bar, point to Collections and click the name of the entity that contains the collection.
In the grid, select the check box for the member or collection you want to delete.
Click Delete selected members or Delete selected collections.
In the confirmation dialog box, click OK.