Steps
You can delete a progress tracker if you are its owner.
You cannot delete a progress tracker if either of these conditions are met:
The progress tracker has been added to a project (whether directly or indirectly via a survey)
If it has, you can follow these steps to remove a progress tracker from a project’s targets page
The progress tracker has not been used in a survey response or story
If it has, you must delete those stories or survey responses
Select My Apps in top menu
Select Metrics
Click the Actions button next to the metric
A dropdown menu appears
Select Delete