Ollie Ollerton feels "disappointed and shocked" by the decision to axe him from 'SAS: Who Dares Wins'.
The 49-year-old military veteran has starred on the hit show since its launch in 2015, and Ollie has admitted he still can't understand why he's been replaced by Channel 4.
He said: "I'm disappointed and shocked at the same time because we had record viewing figures.
"Five years ago we put our heads above the parapet for the first time ever - threatening our security as former members of the Special Forces - to bring that show to fruition. I expected that loyalty to be reciprocated. It clearly wasn't.
"I'd rather have left after doing something wrong, as at least I would have understood it."
Ollie revealed the instructors threatened to quit when they learned that he and Jay Morton were being replaced.
However, he's convinced them to commit themselves to the next series, which will feature a new recruit who is set to fit new diversity guidelines.
Ollie told The Sun newspaper: "There are two types of people in this world, those who can do the job and those who can't. I don't care what colour they are.
"I feel people forcing the diversity agenda upon us are actually keeping racism alive and creating a divide. It doesn't allow us to unify."
He subsequently added: "There's a low amount of ethnic minorities who apply to get in the military, then the number of people who get through Special Forces selection is low.
"Then you've another issue, getting people who want to be on TV, because a lot of Special Forces out there will not do that show. Never. Not a chance.
"It's like they are forcing something which isn't really apparent, and why try and fix something that is far from broken."