As you know if you have read the article which explains how to create a collection on objkt.com (here), it is not possible to delete a collection as each collection is a different contract. But it is now possible to hide it! So the result will be the same: to the eyes of the users, your collection won’t exist.
Click on “hide collection”.
Now you can see that this collection will be invisible to other users:
If you go back to your collections tab, you will see that your collection is blurred:
And this is what the other users will see:
What if you only want to edit the collection and not hide it?
If you want to change the collection picture, name or description, you can click on “edit collection”: