He never hesitated for a fact and he did not waste time on irrelevant detail.
He couldn't believe anyone was bothering to zero in on irrelevant details.
Further, he larded his review with too much irrelevant detail.
The simpler the task, the more it seemed they had to fuss around with irrelevant detail.
"I don't want it - it's irrelevant detail," ruled the judge.
The book insists on giving us a lot of irrelevant detail about some matters, while leaving other things unexplained.
Not that he paid any particular attention to these irrelevant details.
The fact that this had been engraved on the head of a pin was considered an irrelevant detail.
One tiny irrelevant detail may save or ruin us.
Your summary has too many irrelevant details; you need to make it much more concise.