お礼れいには及およびません

expression

it's nothing; don't mention it; no thanks necessary

A polite, somewhat formal phrase used to decline thanks or a gift, implying that the favor was trivial. Often used in response to expressions of gratitude.

See also: 礼には及ばない

• 「手伝てつだってくれてありがとう。」「お礼れいには及およびません。」

  "Thank you for helping me." "It's nothing."

• お礼れいには及およびません。当とう然ぜんのことをしたまでです。

  No thanks are necessary. I only did what was natural.