Documentation:Uninstalling VLC
Contents
Windows 
Go to your C Drive and look for program files--> videoLAN--> VLC and click on the Uninstall icon like shown in the image below.
You can also Uninstall VLC from ADD/Remove Programs located in the Control Panel by double clicking it and following the steps for uninstallation.
Mac OS X
Drag the VLC application to your trash can. You can also remove the configuration file and the cache files in ~/Library/Preferences/VLC/. There is an AppleScript on the disk-image which lets you do this automatically.
BeOS
Delete the vlc-version directory. You can also remove the configuration file /boot/home/config/settings/vlcrc.
Debian GNU/Linux
Remove the packages that you installed:
# apt-get remove --purge vlc libdvdcss2
GNU/Linux Redhat, Mandrake and SuSE
Uninstall the RPM packages that you installed:
# rpm -e vlc-version vlc-mad-version wxvlc-version libdvdcss2-version libdvdpsi1-version
If you compiled VLC from sources
Go to the directory containing VLC sources and execute
# make uninstall
You can then remove the VLC sources.