Muf-Muf
Elvenar Team
In my own city I always struggle with this dilemma, too. I love all the event buildings that I've won over all the events that have been there, and I would not want to sell them - even if solely for the nostalgia value they give me. This is starting to become a bit 'problematic' for now, now that the older event buildings I have are starting to have lower bonuses than the buildings that I can purchase from my chapters, and space is becoming scarce.
As for the being able to delete buildings directly from the inventory, @Lisica, this used to be possible in the past (also for Spells), and that caused some problems where people sometimes accidentally deleted their items, and then asking Support to refund them. Since the inventory (both for the Spells and Buildings) does not have a limit anyways and there is no real downside to storing items there, we deemed it best to just remove the option to delete items directly from the inventory, which is what we did. That is all already quite some time ago (probably like a year and a half ago or so?).
As for the being able to delete buildings directly from the inventory, @Lisica, this used to be possible in the past (also for Spells), and that caused some problems where people sometimes accidentally deleted their items, and then asking Support to refund them. Since the inventory (both for the Spells and Buildings) does not have a limit anyways and there is no real downside to storing items there, we deemed it best to just remove the option to delete items directly from the inventory, which is what we did. That is all already quite some time ago (probably like a year and a half ago or so?).