ISE
Deleting Partitions
Deletes one or more Partitions, removing it from the Partition hierarchy. The logic then becomes part of the Partition parent, which may be the top Partition.
To Delete a Partition
  1.  Delete a new Partition by right-clicking the Partition in the Sources tab and selecting Delete Partition.
When deleting Partitions the Partition changes back to an instance or top module in the design. Partition commands no longer apply.
See Also

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