Because of his ties to Russia and dishonesty on his security forms, some admin lawyers wanted Kushner to step down. There was no consensus, and it was not taken to the President.
https://www.wsj.com/articles/some-trump-lawyers-wanted-kushner-out-1505175772?mod=e2tw
https://www.wsj.com/articles/some-trump-lawyers-wanted-kushner-out-1505175772?mod=e2tw