Give them away to some desperate person in need.
if the site's rules permit give them out to some people who can use them.
I would just let it get disabled for inactivity. I just removed 3 tackers from my bookmark.
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Delete it if the site allows that, if not, let them die due to inactivity.
Don´t give them away is my best advice.
Respect the tracker rules!
Just forget about them. Most shitty sites don't even prune accounts that have never ever been used because they don't want to hit their user numbers too badly.
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