YOU SAID:

do not do what you do not need to and do what you need to

INTO JAPANESE

あなたがする必要のないことをしないでください

BACK INTO ENGLISH

Don't do what you don't need

INTO JAPANESE

必要のないことをしないでください

BACK INTO ENGLISH

Don't do unnecessary things

INTO JAPANESE

不要なことをしないでください

BACK INTO ENGLISH

Don't do unnecessary things