Steps to Reproduce:
1. Make a Copy of a World that you have.
2. Delete the Copy of this World.
3. Restart your Xbox and Reopen Minecraft.

Observed Results:
Sometimes the Copy will appear as an unsynced world and cannot be deleted (manually or automatically), consuming HD space.

Expected Results:
The deleted Copy will not appear on the World Selection Menu.

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Original Description:
I have 2 copies of my Main World that are corrupted and there is no way to delete them. This corrupted copies appeared on my "world selection screen" after I restarted my Xbox. They are consuming space on my HD . I believe more will appear and consume all my HD space with time... :/