View the original community article here
Last tested: Sep 8, 2020
This link will help navigate you to the pdt_event_log explore (Be sure to replace with hostname with your own):
https://xxxxx.cloud.looker.com/explore/system__activity/pdt_event_log?fields=pdt_builds.view_name&f[pdt_builds.start_date]=2+months&sorts=pdt_builds.view_name&limit=500&query_timezone=America%2FLos_Angeles&vis=%7B%7D&filter_config=%7B%22pdt_builds.start_date%22%3A%5B%7B%22type%22%3A%22past%22%2C%22values%22%3A%5B%7B%22constant%22%3A%222%22%2C%22unit%22%3A%22mo%22%7D%2C%7B%7D%5D%2C%22id%22%3A0%2C%22error%22%3Afalse%7D%5D%7D&origin=share-expanded
You'll then get a list of views in the result set. If you look up these views in the Field Usage explore you'll be able to see which ones have been used and which ones haven't.
This content is subject to limited support.