How do you delete a job's requirement, if there is no delete option next to the capability?

[cjbooms]

This question is in reference to Atlassian Documentation: Configuring a job's requirements

How do you delete a job's requirement, if there is no delete option next to the capability?

[Alexey Chystoprudov]

If you don't have Delete option for job's requirement, it means it was added by some task. Name of the task is in column on the left from actions column.