The rapper and producer, who has acted as a judge on all five seasons of the BBC singing contest, has indicated that he won't return next year, unless show bosses bring back the original line-up of judges, reported Contactmusic.
The 41-year-old rapper preferred the first two seasons of "The Voice" when he starred alongside singer Jessie J, 27, Welsh icon Tom Jones, 75, and The Script star Danny O'Donoghue, 36.
Jessie and Danny, who Will collaborated with, left the show in 2013, while Tom left last year.
"You don't need 'The Voice' to have ten million Instagram followers. It makes me sad that it isn't about talent anymore."
In the fifth season of the show, the former Black Eyed Peas member was joined by "Only Love Can Hurt Like This" singer Paloma Faith, 34, British pop star Boy George and Kaiser Chief frontman and show regular Ricky Wilson.