The Liberal Party so far will not dump one of its candidates who who linked same-sex couples with paedophilia during the campaigning for the ultimately successful Marriage Equality plebiscite.  

Gurpal Singh - now the Liberal candidate for the Victorian seat of Scullin, in Melbourne's northern suburbs - made his controversial comments during an interview with the SBS in 2017.

"It has got very serious implications on the kids which we can't see now, but when these children grow up how they reconcile with that situation is beyond comprehension," Mr. Singh said at the time.  "I think it is also an issue of paedophilia - in these situations the occurrence can be high."

Treasurer Josh Frydenberg told ABC Radio in Melbourne that the reason the Liberals will not unendorse Mr. Singh is that he apparently changed his views in two years.

"(Singh) apologised unreservedly for those comments," said Frydenberg.

The seat in Scullin is currently held by Labor's Andrew Giles with a margin of 17 percent.