You can't. Not without deleting the entire version.
Hello! I found this topic: https://wyday.com/forum/t/3931/delete-or-reset-verified-trial-keys/How does the work on resetting trials go? It was said, that this option will be included in the future version, but I didn't find anything about it.
I would like to reset (delete) all verified trials, can I do this somehow?
You can't. Not without deleting the entire version.