How to remove resource Info objects

How to remove resource Info objects

I'm trying to re-work one of my service request options.  Within the request is a Resource Info question that is not being utilized as we had hoped and would like to remove it.  When I try to click the X to remove the object I get the following error:   "Cannot Delete. Asset is in use".  there are no open status incident/request/problems with using this template.  How can I ever remove this object.  This is also true of categories.  I've tried to re-work my category list and it gives a similar error for categories that are "in use" but doesn't give any indication as to how to resolve it.  Has anyone else encountered this?  It's very frustrating to have to be tied to one process forever and not be able to change it.
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