I'm afraid not. An Epic is not considered to be a strong container of issues, just an ad-hoc grouping. You can delete the Epic, and it won't touch the issues, except for removing their Epic Link.
What you'll need to do is run a search for "epic link = <your epic>", use bulk edit to remove all the issues, then delete the epic manually.
(Before @Joseph Pitt gets in - I very strongly recommend not deleting issues. Delete really does mean delete. Any mistake and you'll be looking at complex and painful "restore from backup, extract issues, merge them back in" type routines)
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs