$ sudo apt-get remove libibcm1 

Uninstall libibcm1 including dependent package

If you would like to remove libibcm1 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libibcm1 

Use Purging libibcm1

If you use with purge options to libibcm1 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libibcm1 

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 libibcm1 

See Also,