필요 없잖아

there's no need to

→ 필요
phrase Rare #25,781
there's no need to The ending 잖아 presents this as something the listener already knows or should agree with.
KO: 그렇게 서두를 필요 없잖아.
EN: There’s no need to rush like that.

굳이 혼자 앉아서 먹을 필요 없잖아 그렇지, 여보?

You don't have to sit and eat alone, right, honey?

— 빅 식 (2017)

쓸데없이 맞을 필요 없잖아

You don't have to get hit for no reason.

— 저수지의 개들 (1992)

괜히 밤늦게 담배 사러 나갈 필요 없잖아

There’s no need to go out late at night just to buy cigarettes.

— 해피 투게더 (1997)