Hello,
I’ve tried solutions in older threads with no success. Is there a way to actually delete an uncategorized category? I know about going to the admin panel and disabling uncategorized post but this simply hides the category. Is there a way to fully delete it? I don’t even know how it was created.
Thank you!
It isn’t an actual category, it is a state of having no category applied to a topic. So “deleting it” makes no sense. It is like you are asking us to delete the number zero because it has no value.
So, I inherited this forum which might be part of the confusion on my end. Are you saying that this category IS the uncategorized category where uncategorized topics go by default and it’s just been renamed to something else?
Without seeing your forum, we can’t tell – but a dead giveaway is the category name being absent in Latest:
There is only a single category that is invisible like that, and that’s the (possibly renamed) Uncategorized “category” 
Ok, yeah, I’m pretty sure that’s what it is. I thought any category could be uncategorized (which I thought was weird grammatically) but knowing that it IS the uncategorized category makes more sense! Thanks!
I think, Deleting it is not a good thing.
It’s better to prevent it from displaying it
This is a fairly common confusion. Often someone will rename and or try to repurpose uncategorized.
I think uncategorized should be either off by default (to increase the likelihood that whoever turns it on will know what it means) or have deciding about whether to use it be part of the wizard (which it may well be already).
I think part of that is because it is referred to as an “uncategorized category” when it is more like "topics not assigned to a category " or “catch-all category”.
I had hoped that the “do not repurpose” would make it obvious that messing with it could lead to problems, but it seems it’s still very much a you don’t understand until you understand thing.
If the text warning isn’t enough maybe code can take away the ability to break it?
というわけで、乱暴にこのスレッドを再浮上させます：Discourse にカテゴリなしのトピックを投稿できないようにする実際の設定ができた今、少なくともこの遺物を削除、あるいは隠せるようにすべきではないでしょうか？なぜ移動すらできないのか不思議です。もしかしたら他のカテゴリのサブカテゴリとして移動できるかもしれませんが。ゼロで割るというアナロジーは承知していますが、今やただそこに存在するだけのこの「カテゴリなし」という空のカテゴリは目障りです…あまり見栄えがしませんね 
サイト設定で「未分類」カテゴリを非表示にしていると思います。私の Discourse サイトではこれを無効にしており、「未分類」カテゴリは表示されていません。
はは、もちろんその通りですね。ハードリフレッシュか、あるいは数分間の処理を経てようやく消えました……ふぅ……カテゴリー未設定の「未分類」カテゴリー、さようなら 
