You have created qualifications and you want to delete them.
To delete qualifications for a task, you have to be in the task definition (Projects initial view → Structure tab page → Task Definition → Qualifications).
To delete qualifications for a project role, you have to be in the Projects initial view, then go to the Resources tab page and the Qualifications tab.
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1. Select the qualification(s) to be deleted in the Qualification Requirements group box.
2. Choose Delete Selected Objects.
3. Save your data.