How to uninstall NetworkManager in RHEL7?

I'm using /etc/sysconfig/network-scripts files to configure my network.
So I guess I can uninstall NetworkManager and may be something else?
(I noticed "ModemManager" in the list of running process which I want to remove it too).

How should I do this in RHEL 7? Should I use NM_CONTROLLED=no flag and where (phisical interfaces, bonds, teams, vlans?) How can I remove ModemManager from the list of running processes?