don't mention it
It was no big deal. Usually said in response to "thank you." A: "Thanks so much for saving me a seat." B: "Don't mention it!"
Don't mention it.
You are welcome and your thanks are not necessary. A: Thank you so much! B: Don't mention it.
don't mention it
see under you're welcome.
don’t ˈmention it
(spoken) used as a polite reply when a person thanks you: ‘Thanks — that’s very kind!’ ‘Don’t mention it.’