なくてもいい

If you don't want to say it, you don't have to.

If you don't want to say it, you don't have to.

You don't need to think about it so complicatedly.

You don't need to be so considerate/careful (implying the speaker thinks the other person is being overly considerate).

You don't need to worry about it so much. / There's no need to be so concerned about it.

You don't have to rush that much, do you?

You don't have to hurry home so much (implies the speaker thinks the listener is unnecessarily rushing).

You don't need to be so formal/polite.