言いいっこなし

expression

let's not say (such things) to each other

Used to propose a mutual agreement not to complain, criticize, or bring up certain topics. Often appears in the set phrase かたいことは言いっこなし (let's not be too formal/strict with each other).

See also: かたいことは言いっこなし

• かたいことは言いいっこなしにしよう。

  Let's not be too formal with each other.

• 失しっ敗ぱいしたことは言いいっこなしだよ。

  Let's not bring up each other's mistakes.