OMG why can’t I delete my animation clips? A Blender tip
Jellymeyer writes:
I made this quick tip in mid 2017 and I’ve noticed the sound of relief in the comments and I wanted to share it with BlenderNation
https://www.youtube.com/watch?v=fRalF4gUHD8
This applies to things like textures you don’t want and materials also. My guess why they aren’t fully deleted right away is to give the user a one last chance to be sure before they reopen the file incase they shift deleted the wrong thing.