When individual feature layers are removed from a map service layer, the Table of Contents in a web map and the web map is used as the basis of a Web AppBuilder application, and the removed layers appear in the Layer List widget.
Last Published: March 23, 2016ArcGIS Online
Bug ID Number
May 15, 2015
September 22, 2022
The bug has been fixed. See the Version Fixed and Additional Information, if applicable, for more information.
Add the URL service for the layer rather than the whole service. However, this loses the style. Only the layer is shown and not all unwanted layers in the service in Web AppBuilder.