Formerly hip expressions you're tired of hearing

[nuxvomica]

16. "No worries"

I first heard it Ireland in 2014 and every server or barista or hotel employee under the age of 30 used it, and it seemed quaint. Then I started hearing it over here, again, people in their twenties, as if the phrase "Don't worry about it" never existed. I used it myself recently in a text message and I felt like a sellout. Now I want to use it, but ironically.