Or not? Politico reports:

Charlie Rangel emerged from a closed-door meeting in Nancy Pelosiโ€™s office Tuesday night to declare that heโ€™s still the chairman of the Ways and Means Committee and hasnโ€™t agreed to give up his gavel โ€“ even as some media outlets were reporting that heโ€™d done just that.
But asked whether heโ€™d still be the chairman tomorrow and in the coming days, Rangel said: โ€œI canโ€™t make all those promises at my age.โ€
And when Pelosi was asked whether Rangel was resigning, she said โ€œno comment.โ€