This small guide explains how to remove a video from your YouTube channel. The Video Manager menu allows you to modify, delete or hide videos published on your channel at any moment.
Sign-in to YouTube, click on your profile picture at the top right corner of your screen and select Creator Studio > Video Manager. The list of published videos will be displayed. Select the video(s) you want to remove by ticking the corresponding checkbox(es) and then click on the small arrow next to the Edit button > Delete: