Data Management Capabilities > Managing Plans > Plan Schedule > Deliverables > Delete a Deliverable
  
Delete a Deliverable
Navigate to the Tasks table and select the checkboxes next to the deliverables you want to delete. Click the delete icon on the table toolbar or select Delete from the right-click actions menu.
You can also navigate to the deliverable information page and select Actions > Delete.
* 
If the Delete Linked Deliverable or Activity preference is set to Yes, then a message appears allowing you to simultaneously delete any linked activities. For more information, see Project Planning Preferences.