I clicked the A/B Testing (beta) button twice, because I was trying to figure out what it does and I assumed there would be some manual ability to adjust it. Then I noticed that it has used an additional 2 agents. Then, when I tried to set up an additional real agent by copying the first, it also copied the 2 phantom agents, for a total of 6 agents used for 2. I've done a tremendous amount of work on this agent and I don't want to have to throw it away to get rid of the 2 phantom agents, so please tell me there's a way to delete them?

Update: I figured it out. The "alternates" appear at the the top of the agent setup with a trashcan icon next to each. They're very subtle, so I would recommend maybe making a video or somehow drawing attention to them. Also the first time I deleted one, it returned a 404 status, but a refresh worked. FYI.