These however, could be said to be fairly cosmetic changes.
Tyrions killing of Shae is a difficult scene for any number of reasons.
It could be argued that we do not have to like Tyrion to be interested in watching his story.
Most of us need someone to root for and someone to like in amongst all the horror.
Afterwards, he apologises to her body.
These changes to Tyrions escape have a further impact on his final scene with his father.
Read our spoiler-filled review of the season four finale, The Children,here.