Remove PPA From System

To remove PPA from system, we can use either of the following methods -

Method 1

We can use --remove flag in add-apt-repository command

$ sudo add-apt-repository --remove ppa:example/ppa

Method 2

We can use ppa-purge

$ sudo apt-get install ppa-purge
$ sudo ppa-purge ppa:example/ppa

Source: ItsFoss