The Collaborative International Dictionary
non-issue
non-issue \non-issue\ n. the state of something that has outlived its relevance.
Syn: dead letter.
Wiktionary
non-issue
alt. A matter of no concern, especially one that had been of concern. n. A matter of no concern, especially one that had been of concern.
WordNet
non-issue
n. the state of something that has outlived its relevance [syn: dead letter]
Usage examples of "non-issue".
However, since those breasts can be expected to shrink to almost nothing, this is in the long run a non-issue.