Make sure you have the DFCollectionAdmin permission to perform this task.
For information on account and resource roles, see Cloudera Data Flow authorization.
Go to
Data Flow >
Catalog.
Select the Collections tab.
Select the collection you want to delete and click [Options] > Delete.
If there are flow definitions associated with the collection, you receive a
warning message and the confirmation button remains inactive. Remove all flow
definitions from the collection and then proceed with deletion.
If there are
no flow definitions associated with the collection, the
Delete button becomes active.