Deleting a Metric Filter
A policy is identified by its name and the log group it belongs to.
To delete a metric filter using the CloudWatch console
Open the CloudWatch console at https://console.aws.amazon.com/cloudwatch/.
If necessary, change the region. From the navigation bar, select the region that meets your needs. For more information, see Regions and Endpoints in the Amazon Web Services General Reference.
In the navigation pane, click Logs.
In the contents pane, in the Metric Filter column, click the metric filter you want to delete.
On the Logs Metric Filters screen, in the metric filter, click Delete Filter.
In the Delete Metric filter dialog box, click Yes, Delete.