jordanjay29 Yep, if you have permission (Delete Posts Forever permission) you can click on the menu next to it and get the option.
Kryonoglou Yes, but if a member edit the title this message will be on. I want to remove those message.
jordanjay29 Kryonoglou I think you've heard this answer before, but you'll need an extension. This isn't a core feature of Flarum.
Pollux It would be a nice solution if the visibility of each type of event posts could be assigned to given user groups in the admin panel. But as @jordanjay29 already said, this should be provided via an extension.