Texture Memory Used

Thank you for the answer. I optimize my textures, but listTexture gives me textures that are not used in any way at the level.
I have an authorization level, a maximum of 100 textures are used there, and listTexture print more than 3k.
It means that these 3k textures are loaded … but why?
Even if I create an empty level, listTexture will still show 3k textures loaded.
I’m confused = ((