Grylls, 37, who dropped into hostile areas to survive by eating insects, wading rapids and drinking his urine, has hosted the television series since 2006, becoming a worldwide celebrity.
However, Discovery Channel, said Tuesday that "due to ongoing contract dispute with Bear Grylls, Discovery has completed all current productions with him."
A spokesman said Grylls and Discovery had been unable to reach agreement on the new schedule and had parted ways.
"The goal has always been a bear make life shows the empowerment of its many fans worldwide, and he has taken great risks to bring Discovery Award winning programming over seven seasons," said Heather Krug, publicist of the expert desert.
"Unfortunately, the Bear and Discovery have not been able to reach mutual agreement on the new schedule, and disagrees with the decision to end Discovery's current productions. Bear loved the journey of 'Man vs. Wild' and hopes that the production of cutting-edge content soon again for your loyal audience. "
The details of the dispute were not clear, but the trade publication The Hollywood Reporter quoted industry sources saying that revolved around two unannounced projects for which Grylls was hired.
The sixth and most recent season of "Man Vs. Wild" aired on Discovery in July and August 2011. There was one episode in which Grylls joined in a remote part of Iceland for the actor Jake Gyllenhaal.
Other episodes have Grylls parachuted into the jungles and deserts, survive for several days by snakes eating, sleeping in the hollows of the snow and wrap a urine-soaked shirt over his head to combat dehydration.
"Man vs. Wild" is issued in Britain as "born survivor: Bear Grylls" and shown in over 200 countries around the world.
Grylls climbed Mount Everest at age 23 and served for three years in the elite Special Services of Britain air war training in parachuting jungle combat and survival.
We have also found fame as a motivational speaker and author of several books, including fiction and autobiography teen best-seller.