1. Log into YouTube.
   
   
2. Click on the person icon, in the upper right hand corner.
   Click YouTube Studio.
   
   
   
3. Click Videos.
   
   
   
4. Click the ellipsis .
   Click Delete Video.
   
   
   
5. Check the box "I understand that deleting a video from Youtube is a permanent and cannot be undone. This action will also remove the video's comments".
   Click Delete Video.
   
   
   

Related Articles:

Create YT Channel
Upload Video
Upload Video via Mac OSX
Upload Video via iPad, iPhone, iPod
YouTube - Update Videos