To completely remove a Web Part from SharePoint (and not just uninstall it) you must follow the instructions below:

  1. Go to Site contents and click on Style Library;

    Style Library.PNG

  2. Search for BT WebParts Add-ins and open the folder;

  3. Select the Web Part(s) that you intend to remove;

  4. Click on the option to Delete.

    Remove Files.PNG

Next, we'll have to delete the corresponding Web Parts from the Web Part Gallery:

  1. Go to Site Settings;

  2. Under Web Designer Galleries click on Web parts;

    web-part-gallery

  3. Select the Web Part(s) you want to remove;

  4. On the ribbon, click on Files;

  5. Select the option Delete Document.

    remove-document

The BindTuning Web Part(s) files have been removed from the site! ✅