This utility works on all platforms.
This utility is a generic deregistration program for OpenDoc part handlers. One of the files shipped with OpenDoc is an ODT file that is the table of contents. This file generally has the same file name as the ODZ file. The ODT file simply has a list of files that were placed on the system when the part was originally installed.
oduninst filename.odt
The filename for the ODZ and ODT file is partEd.