Sub-clips are created by selecting segments of a video file using mark in and mark out times. The Sub-clips tab in Video Details displays all video objects that have been derived from the parent video object. All sub-clips are created manually by users.
It is from the Sub-clips tab that you can delete sub-clips.
To delete a video sub-clip:
Navigate to and select a video file.
Select View > Video Details.
The Video Details screen opens in another window.
Select the Sub-clips tab.
All sub-clips of the video are displayed.
Select the sub-clip to delete.
Do one of the following:
Click File > Delete Sub-clips.
Click Delete.
The sub-clip is deleted.