Chris & Olivia: Crackin’ On was announced by ITV last month, to air on its digital channel ITVBe from March 2018.
But following reports that the pair had split, it's said that the original six-part series will now air just three episodes.
"There was only so much arguing they could include," an insider told The Sun newspaper.
They explained: “While Chris and Olivia had lots of good times in the Love Island villa, afterwards all they seemed to do was bicker."
"It will start with them moving in together and end with them breaking up. It’s a complete story if nothing else," added the source.
A spokesperson for ITV said in a statement: "We never confirmed a set number of episodes but it was felt that, further to recent developments in their relationship, the series had reached a natural end point.”
In a teaser released last month for the series, ITV said of the show: "With dramas and tabloid tales following them wherever they go, can their love survive as their fledgling careers take off? And what really is the truth behind the headlines they read about themselves every day?
"As the Love Island 2017 finalists approach their six-month anniversary milestone, how will the couple handle the numerous relationship challenges that arise, such as moving in together, and getting to know one another’s families?"
Chris said of the show: “Liv and I have been through so much in our relationship in the last six months that it’s hard to remember what life was like before we met in the Love
"I wouldn’t change any of it and I’m looking forward to going on this latest TV journey with her.”
Olivia added: “Life with Chris is like one big rollercoaster but it’s safe to say we’re never boring.
"As anyone who saw us on Love Island knows, we can bicker hard but we love harder so I’m sure we’re all in for an
Chris & Olivia: Crackin’ On will start in March on ITVBe.