This article explains how to delete files from your Google Drive account using the desktop site and the mobile app. Deleting files, especially large files or items in your Trash, is an easy way to free up space on your account.
How To: Permanently Delete Files From Google Drive
You can delete both files and folders from the Google Drive website and mobile app. It doesn’t matter if it’s a document, video, spreadsheet, image, slideshow, etc.; they’re all accessible via Drive.
Go to the Google Drive website and log in to your account if necessary.
Select the folder or file you want to delete. To select more than one item at a time, hold down the Ctrl or Command key while making your selection.