not give (something) another thought

not give (something) another thought

To not concern oneself with or worry about something any further. A: "I'm so sorry for breaking that vase!" B: "Oh, don't worry, it was just a cheap old thing. Don't give it another thought!" I wouldn't give her comments another thought—she's just trying to hurt your feelings because she's jealous, that's all.
See also: another, give, not, thought
Farlex Dictionary of Idioms.

not give it another thought

not to worry about something anymore. (A polite way of accepting someone's apology.) It's okay. Please don't give it another thought. You should not give it another thought. No one was bothered at all.
See also: another, give, not, thought
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • not give it another thought
  • don't give (something) another thought
  • bother (one's) (pretty little) head about (something)
  • bother head about
  • not to worry
  • she'll be apples
  • worry
  • life is too short
  • Sufficient unto the day is the evil thereof
  • start from where you are