In an interview with Entertainment Weekly, Kit revealed his plans to move on past the hit HBO show. “I’d like to step away and enjoy the obscurity, cut my hair, make myself less recognizable as the character, and go do and some other things with a completely new look and tone,” he said.
Between the fifth and sixth season, when Jon Snow was supposedly dead, Kit famously cut his hair to tease fans that he was done with the show.
This time, however, he says he plans to cut his hair
Sadly, we will have to say goodbye to Kit's long hair, to Jon Snow, and to Game of Thrones. But not until after the eighth and final season comes out in 2019.