Navigation: Class edit page
Click the checkbox next to the curricula you are trying to delete
Confirm the delete
Note: that actively deletes the curriculum in the remote vendor as well. Not just unlinking them.
Additional caveats being: Some bridges can delete the external data automatically when it was removed from the SIS (Buzz ), though that can depend on policies selected (Edmentum).
In some cases you might have to delete the SIS class:
The reason the SIS class must be deleted, is because once that SIS LCClass ID is used in the external system, it often cannot be re-used or changed. Therefore, deleting the class and creating a new one generates a new LCClass ID that can be used.