$ sudo apt-get remove libclc-ptx 

Uninstall libclc-ptx including dependent package

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

$ sudo apt-get remove --auto-remove libclc-ptx 

Use Purging libclc-ptx

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

$ sudo apt-get purge libclc-ptx 

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 libclc-ptx 

See Also,