You can't do this.
If you want rid of an issue type, then you have to remove it from the issue type scheme, either by deleting it, or by moving the project to a scheme without it.
However you remove the issue type, JIRA will force you to move all issues using that type to another one. It can't function in a project having issue types that don't exist - it needs them for the entire structure of the system.
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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