Delete a page
To delete a page on your Google Site:
Go to the page you want to delete.
Click the More drop-down menu.
Select Delete page.
Confirm you want to delete the page by clicking Delete.
If you delete a page, its sub-pages and attachments will be removed. If you accidentally delete a page, you have 30 days to recover the deleted page, which will automatically restore its sub-pages and attachments.