ALFRED Hitchcock's chilling twist in his classic horror Psycho will be cut from the TV remake, because writers decided including a cross-dressing killer would be 'transphobic'.

The move will dampen a crucial aspect of the plot that has left generations of viewers stunned as it's revealed schizophrenic Norman Bates, dressed in his dead mother's clothing, was behind the savage shower stabbing scene.

4 The horrifying twist revealing Norman bates as the killer dressed in his mothers clothing has gone down in movie history Credit: allstar/universal

4 Hitchcock's groundbreaking story telling tricked viewers into thinking Bates' mother was behind the chilling shower murder Credit: Rex Features

In the adaptation of the thriller, murderous Bates does not wear women's clothes when he attacks his victim - so that the image of the transgender community is protected.

Despite wearing his mother's dresses at other moments in the series, the climactic episode in the fifth and final season of Bates Motel sees Bates in his own clothes as wields the knife.

The US series stars British actor Freddie Highmore as Norman Bates and singer Rihanna as heroine and victim Marion Crane - originally played by Janet Leigh.

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Bates Motel writer Kerry Ehrin explained the makers’ sensitivity over the cross-dressing: "In none of our minds is that what the story is about."

She said: "It’s about a kid who very specifically thinks he is his mother, as opposed to anything else.

"It really became about protecting that and not letting it slip or slide into anything transphobic."

4 In the finale of the US TV series Bates wears his own clothing to avoid damaging the image of the transgender community Credit: TNI Press

4 In Hitchcock's original scene crazed Bates is dressed in his dead mother's clothes as he brutally murders his victim Credit: Shamley Productions

The scene, which has already screened int he US, sparked criticism among fans of the original film, with one tweeting: "Rhianna's bates Motel shower scene will have Hitchcock turning in his grave."

After initially causing shock, the 1960's shower scene is now recognised as a defining moment in cinema history.

Frank Furedi, the Emeritus Professor of Sociology at the University of Kent, also criticised the move.

He said: "It has gone beyond political correctness. It is the subordination of art to political dogma. This sort of approach violates the aesthetic and artistic integrity of the original film."