Hibernian manager Pat Fenlon has criticised Hearts midfielder Ryan Stevenson, describing his tackle on captain James McPake as “shocking”.
The 28-year-old challenged the Northern Irish international near the left touchline in the first half of the 0-0 draw at Tynecastle.
Referee Willie Collum took no action against the former Ipswich Town player.
Fenlon said: "I've just watched it. It's a shocking tackle. He had a look first before he left the ground. We're disappointed with that.
"He has a bad gash, James. There could have been a bit of damage there, but he's not too bad.
"But you can't be critical of the referee. I thought the referee reffed the game very well tonight."
On the incident, Hearts boss John McGlynn said: "I haven't seen it again. I think the referee was in a good position. It's a derby game, it's competitive. In derby games four or five years ago that wouldn't have been an issue."