How do I disable live lock screen beta?

[Arkadeep Haldar]

How to disable live lock screen without uninstalling the app ?

 

[Abhishek P]

Turn on Kids corner then disable it.

 

[LTTG]

Go to settings > lock screen, change "Background" to Bing, then change it back to photo.
I did that because I don't want to reinstall the app everytime I wanna impress my friends