Created metadata enrichments can be consulted on the Enrich and Clean interface:
To delete a metadata enrichment, on the line of the selected enrichment, select the "x" button.
Select Save to apply all modifications.
Selecting the Save button launches a reprocess job. Reprocessing content can take anywhere from a few minutes to many hours, depending on the size of the corpus. New uploads are put on hold until the reprocessed job is finished.
Saving and applying modification leads to a reprocess of all content. Reprocess may take a long time during which new publication process is put on hold.