The former Hollyoaks actress claimed that last year's run, which lasted 14 weeks, was too physically tough for the contestants. The upcoming eighth series will feature only 14 celebrities, compared to 16 in 2009.
"Everyone was on their knees by the end last time. It's a lot of stress to take if your body isn't used to it," she told The Sun
"Knocking a couple of weeks off will be good for everyone's sanity."
Bastian is currently in rehearsals for West End dance show Burn The Floor with her Strictly dance partner and boyfriend Brian Fortuna.
> Fortuna not angry about 'Strictly' axe