replacing default worlds

[franzanth]

Hi there. I recently tried to clear unused chunks from my worlds, mostly the end and nether. But every time I try to upload the modified worlds, they always end up creating new, separate worlds with the "ul_" prefix instead of replacing the default worlds.

So now I end up with:

world
world_nether
world_the_end
ul_world_nether
ul_world_the_end

Is it possible for me to completely delete the default nether and the end, and replace them with the files I've modified? I can't see a way to rename the "ul_" folders so I'm not sure what to do.

P.S. I've tried manually deleting those worlds, then reuploading my files, but they still end up having the prefix

Thanks!

Edited June 24, 2021 by franzanth

[franzanth]

help, anyone? I still can't figure this out