The Reporting (Beta) screen will eventually replace the legacy Reporting screen and will include a host of new and improved reports. The features and reports on this new screen will be rolled out in stages across several consecutive releases.
You can delete a custom report that you’ve created if you no longer need it.
Deleted reports cannot be restored.
To delete a custom report:
In the My reports section, click the ellipsis (…) on the right-hand side of the report.
From the menu, click Delete.
In the Delete report popup, click Delete.
The report is deleted from the My reports list