The Bleeding Love hitmaker won the singing contest in 2006 but has become concerned at its tradition of launching each series winner's career with a release during the festive season.
The track almost always takes the coveted number one spot on Christmas week, but Lewis wants a return to the days when seasonal songs dominated the festive chart.
She tells Britain's Daily Star newspaper, "I know that whoever wins The X Factor will be Christmas No. 1, because the show is so huge. But now I'm thinking: 'No, why does it have to be The X Factor? Stop it and give the traditional Christmas songs a chance'."