A quick heads-up – if you remove the root site of your classic SharePoint Site Collection, that site’s going to be troublesome to deal with. Whereas you can always restore a normal site from the site collection recycle bin, the root site you can’t. You actually can’t access the recycle bin after removing the root site, nor can you make magic happen with PowerShell commandlets anymore.
The Recycle Bin would be located at a url like this: https://<yoursite>/_layouts/15/AdminRecycleBin.aspx, but after the site is removed, it won’t be there.
If you actually just wanted to get rid of your site collection by removing the site (see below), you’re out of luck again. Even that didn’t happen, as you now still have the site collection, just without any sites in it. You can’t even reuse the url for anything, as it’s still reserved for your site collection! Continue reading