Yes, there is an export option to define if Object Metadata is shared.
The settings are
So in case you only want to share a subset of the attributes, there are 2 options:
Us share "All" as export setting
deleteAttribute(self, objects, name) Deletes the named object attribute. @param objects: The objects to delete the attribute from. @param name: The attribute name. [str] @note: # delete the attribute height from the currently selected objects ce.deleteAttribute(ce.selection(), 'height')