Open the YouTube app or website
Sign in to your account
Go to your profile picture
Select Your data in YouTube
Open YouTube History
Click or tap Manage your YouTube History
Choose Delete
Select Delete today
Select Delete custom range
Select Delete all time
Confirm the deletion
To delete watch history only, go to History
Select Clear all watch history
Confirm the action
To delete search history only, go to History
Select Clear all search history
Confirm the action
To pause future history, go to YouTube History settings
Turn off Watch history
Turn off Search history