Dropping the debt-to-income cap for qualified mortgages is one way to level the playing field between the GSEs and the private market, according to the Urban Institute. With the somewhat controversial GSE patch in qualified mortgages expiring in January 2021, talk has turned to coming up with alternatives for retaining or replacing this special treatment given to Fannie Mae and Freddie Mac loans. The GSE patch allows Fannie and Freddie to purchase loans with debt-to-income ratios exceeding 43 percent as long as they meet other QM rule requirements set forth by the Consumer Financial Protection Bureau.