If you no longer need an alert rule, you can delete the alert rule.
Procedure
Log on to the CloudMonitor console.
In the left-side navigation pane, choose .
Delete one or more alert rules.
Delete a single alert rule
Find the alert rule that you want to delete and click Delete in the Actions column.
In the Delete Alert message, click Confirm.
Delete multiple alert rules at a time
Select the check boxes of the alert rules that you want to delete and click Delete in the lower-left corner of the page.
In the Delete Alert message, click Confirm.