A spokesman for the singer said that the label agreed to dissolve its relationship with Jackson at her request, according to online sources.
Jackson signed with the label in July 2007. Her only album with Def Jam, Discipline, released in the UK by Mercury on February 25, debuted and peaked at 63 on sales of just 3,914. It has gone on to sell just 9,312 copies to date in the UK.
In the US it entered the charts at number one on sales of 181,075, going on to sell 415,000 units.
Universal did not return calls at time of publication.