IDOL Server Operations > Categorization > View and Administer Categories > Delete Categories

Delete Categories
You can use the CategoryDelete action to delete a category. Deleting a category removes the category from disk and from the IDOL server category index. For example:
http://IDOLhost:port/action=CategoryDelete&Category=32349987602210557106
In this example, IDOL server deletes the category with the ID 32349987602210557106.