From https://wordpress.org/support/topic/old-records-are-not-being-removed/

I have a few sites with the Stream plugin installed. I just noticed that none of them are removing old records. I have the “Keep Records for” setting set to 30, but with records going back more than a year. They aren’t being removed. Any idea why that would happen and how to resolve it?

Duplicate reports:

• https://wordpress.org/support/topic/records-not-automatically-deleting/