expression
unrelated; irrelevant; unconnected
Used to state that something has no connection, bearing, or relevance to something else. Often used in the pattern AはBに関係がない (A has nothing to do with B).
See also: 関係無い
その話は今の議論に関係がない。
That story is irrelevant to the current discussion.
彼は事件に関係がないと主張した。
He insisted that he had nothing to do with the incident.
Phrase composed of 関係 (relation, connection) + が (subject marker) + ない (not exist).