Minecraft Xbox is a game that allows you to create and play with worlds. To delete a world, you need to use the deletion tool. The deletion tool is located in the Minecraft Xbox game client. To use the deletion tool, you need to open the client and click on the three lines in the top left corner of the screen. The first line will show you a list of all your worlds. The second line will show you a list of all your players’ worlds. The third line will show you a list of all your world deletions. To delete a world, just click on it in the list and it will be deleted from your Minecraft Xbox game client.