Removing CSF and LFD is even more simple.

Now Let’s Start to learn how to un-install CSF:
Follow these Steps.

Step 1 : Open Putty Application.
open-putty

Type Host Name or IP Address with Port Number (22) then Open.

Step 3 : Now DOS Window open on the screen.

Step 4 : Login as: (Type your Root User Id / WHM User Name)

Step 5 : Un-Installation
Installation is quite Straight forward.

cd /etc/csf
sh uninstall.sh

Now Successfully Un-Install ConfigServer Firewall Application from Server.