Note that the general consensus among folks here on the forum is not to delete issues, as doing so can come back to bite you in many ways. Instead, close them with an appropriate resolution (Canceled, Deleted, etc.) As it applies to your particular question, though, you will need to create a post function to close the subtasks. We use the JMWE "Transition Linked Issues" post function for this purpose.
Catch up with Atlassian Product Managers in our 2020 Demo Den round-up! From Advanced Roadmaps to Code in Jira to Next-Gen Workflows, check out the videos below to help up-level your work in the new ...
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