How do I delete an Activity from an Analytical Module Workflow in the DUI Designer? To delete an Activity from a workflow in the Designer, left-click once on the Activity (it will then have a bold outline), then press the Delete key on the keyboard. Have more questions? Submit a request 1 Comments Date Votes 0 Paul Tracy January 29, 2015 17:58 Note that deleting an examination block from within a parallel examination is currently deleting the block and the one above it. If something needs to be reordered, it's best to rename an existing block and change the properties as needed and insert a new block. This is a known issue and is on the backlog of issues to be corrected. Please sign in to leave a comment.