The overwhelming majority of Senate Democrats voted against diluting Dodds- Frank
"Sixteen moderate Senate Democrats helped Republicans pass the bill"
https://www.politico.com/story/2018/03/14/senate-passes-bill-scaling-back-dodd-frank-463825
Democrats also helped in the House. It was a Republican bill but without Democrats would not have passed. Elizabeth Warren blasted the defectors then and she did again today.