2.3 Delete page

Grab the page and drag it to the bottom of the tree structure field.  A dark grey field will appear where you can drop the page to delete it. You get a few seconds to restore, if deleted by accident. (Img. 2.3.1)

You can also delete a page by clicking the page icon, or right clicking the page title, and go to Page actions where you can find the Delete option. (Img. 2.3.2)