First make sure you are positive you want to permanently delete the announcement in question. If you are unsure but would like to hide the announcement from public view, see section Hiding/Showing an Announcement. If you are sure you want to delete an announcement, follow these steps to delete it:
Make sure you are logged into an account that has permission to delete announcements.
From the Control Panel, select the Site Content tab.
Find and select the Announcements module.
You will be shown a list of current announcements.
Locate the announcement you wish to delete and click the Delete button for it under the Actions column.
You will be asked to confirm the deletion.
If you are sure, click the Yes button.
Your announcement will be deleted and you will be returned to the announcement listing.Hiding