make no difference
1. Of two or more options or actions, to not differ in effect. It makes no difference if you add the salt before or after you heat the soup.
2. To have no impact, either positive or negative. A lot of people don't vote because they think it makes no difference. Honestly, it will make no difference if he complains—they're not going to change their policy.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.