Deleting keyframe freezes unity 5

I’m trying to delete few keyframes from animation panel but everytime I select and right-click it to delete
unity freezes and stays that forever…I have to kill the process in order to restart again…

any workaround to this?

I have been having similar issues. Is the animation pretty long? If so, try keep the current workspace in the animation window small. For example lets say you have a 30 second animation, and you want to delete frames @ 26 seconds. Keep the animation window timeline between 24 -30 seconds instead of the full 30 seconds. Not guaranteed to work and it’s still slow but it didn;t hang completely this time.