If you are no longer licensing content from a particular provider, you will want to remove those books from your Libraries collection. To do this you simply disconnect the content provider from the particular library. This will set the license pools for the particular books to zero (o) in the circulation manager and the books will no longer be displayed or included in the OPDS feed / catalog used by the app. The books data will remain in the circulation-manager database but they will not be available for discovery or lending.
Step-by-step guide
To begin you will need to log into the SimplyE Circulation Manger admin UI
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