How can I remove issue reference

Question

1. I have issue #1 and issue #2 on github.
2. I commenting on the issue #1 smthing like this: "I think that issue #2 is associated with this issue".
3. Now in comments of issue #2 the message about referencing issue #2 with issue #1 appears.
4. I delete my comment on issue #1.
5. The message about referencing issue #2 with issue #1 still exists in issue #2 comments.

How I can remove the message about referencing from issue #2 comments?

Answer 1

It's currently not possible to remove a GitHub Issue reference after it has been created.