Alternatively, you can also delete a cluster using the following options:
Option 1: Select a MongoDB cluster by clicking on its name and in the Cluster details tab, select Delete.
Delete the selected MongoDB cluster
Option 2: Select a MongoDB cluster by clicking on its name, and in the Cluster details tab, select Edit. In the Edit window, select Delete at the end of the page.
3. Select Delete in the dialog box to confirm deletion.
Result: The STATE of the respective MongoDB cluster is set to DESTROYING before it is completely deleted.