The 29-year-old businessman, who first shot to fame on Keeping Up With The Kardashian, is said to have missed a number of shoots leaving the show's future in the balance.
According to TMZ, Rob - who is expecting his first child with Chyna has refused to film scenes with his fiancée; claiming it's putting a strain on their relationship.
A source said: 'Rob has been skipping filming over the last month, complaining that the show is compromising their relationship.'
And it seems that his fear stem from his own first experience with reality TV, with sources telling TMZ Kris Jenner's only son 'believes KUWTK has destroyed his family'.
His reluctance to film the show with Blac is said to be down to the fact 'he fears the same will happen with his relationship with Blac Chyna', due to the warts and all nature of the show.