The first live performance of his podcast with internet personality Chunkz was due to take place on 18 October in east London.
The podcast, which first broadcast last year, sees the pair interview rappers and influencers.
Venue Troxy confirmed the show’s cancellation.
A spokeswoman told the BBC: “The event was removed from our website yesterday and all ticket holders have been informed – their tickets will be refunded automatically”.
The BBC has contacted promoters Dice for comment.
In a statement Upload Productions, which produces the Chunkz and Filly Show podcast, said: “We are aware of the serious allegations that have been made against Yung Filly and the legal proceedings that are now under way in Western Australia.
“In the commercial areas of business where we have responsibility, we have paused working with our client.”
Meanwhile, the Football Association (FA) has cancelled an online cookery series with Barrientos.
On Wednesday, it had announced an online cookery series Barrientos was reported to star in alongside England footballers, including Bukayo Saka and Ezri Konsa.
The series was also in collaboration with M&S Food. They have been contacted for a response.
FootAsylum has also severed ties with Barrientos, who regularly appeared in their YouTube series Does the Shoe Fit?
“In light of these extremely serious charges, we are suspending our contract with Yung Filly with immediate effect”, a spokesperson said for FootAsylum.
“We are unable to comment further until the legal process has been concluded.”
