[`/privileges/trusted-user`](https://superuser.com/privileges/trusted-user) does not explain how to best apply the *delete answers* privilege.

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Here's a little comparison. First, I quote *access to moderator tools* privileges explanation for *deleting questions* (it says *Deleting posts* in the title, but that's apparently not precise):

> ## Deleting posts
> 
> ### When should I delete questions?
> 
> Closed questions that are of no lasting value whatsoever should be flagged and deleted.
> 
> Before voting to delete, please check that there are no good answers — if so, then the question should be flagged for moderator attention as a potential merge candidate. We don't like to lose great answers!
> 
> Also, be cautious when deleting questions closed as duplicates — they can serve as a signpost, directing users to useful answers on another question.
> 
> It takes 3 votes, minimum, to delete a closed question. However, the number of delete votes required scales to the number of votes on the question and all its answers.
> 
> You must wait for a question to be closed for 2 days before you can vote for deletion. This restriction is removed for trusted users. If you feel a post should be deleted despite having lots of votes or for being new, please flag it for community moderator attention.
> 
> You can view a list of posts with outstanding delete votes via the moderator tools delete tab.

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Here's the explanation in the *trusted user* privileges page:


> ## What are trusted users?
> 
> Trusted users are allowed to perform trusted actions, including:
> 
> *Voting to delete answers with score of -1 or lower*

That's *really* all there is about this. The rest of the page goes on about *what tag wikis are*. If you managed to get 20k+ reputation and don't know what they are, you're probably doing it wrong.

But it says *absolutely nothing* about when it is appropriate to *delete answers*.

As a long-time user, I am familiar with closing questions, and that's an indicator a question isn't good. With the additional explanation on the question deletion privilege, I have an idea how to act.

But deleting answers? I have *no idea* what answers need to be deleted. Except maybe those I flag as spam or offensive, but is this all we should use this for?

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This is a bug report against the user documentation.