$ sudo apt-get remove pam-kwallet 

Uninstall pam-kwallet including dependent package

If you would like to remove pam-kwallet and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove pam-kwallet 

Use Purging pam-kwallet

If you use with purge options to pam-kwallet package all the configuration and dependent packages will be removed.

$ sudo apt-get purge pam-kwallet 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove pam-kwallet 

See Also,