You can also take the following steps to remove video calling from your computer:
- Go to the Control Panel.
- Select Programs and Features.
- Choose “Facebook Video Calling Plugin” from the list of programs and click Uninstall.
- In the Finder, go to your Home directory (labeled with a house icon and your username).
- Open the “Library” folder.
- Open the “Internet Plug-Ins” folder.
- Delete the FacebookVideoCalling.bundle file.