Disabling Raspberry Pi Cursor (Inside X11/Xorg)

In several Raspberry Pi configuration (usage scenario), the presence of cursor is not wanted. Therefore, removing the cursor from the X server is desired. This link explains various ways to disable the cursor (not merely showing a transparent cursor but disabling it altogether).

I'm using the default Raspbian distribution. Therefore, the default window manager is LXDE, managed through lightdm. Lightdm configuration file which dictates how the X server starts is /etc/lightdm/lightdm.conf. In order to disable the cursor, you have to invoke/starts the X server with the -nocursor argument, or other means as explained in the link above. I decided to go with X -nocursor command to start the X server. This is accomplished through editing the /etc/lightdm/lightdm.conf file. Find the line which starts with xserver-command and edit it to start the X server without cursor. In my particular case, the line is located right below the [SeatDefaults] group of "options". This is how it looks like when I'm done (the ellipses means lines in the file which are ignored):

...
[SeatDefaults]
xserver-command=X -nocursor
...

With the modification above, the cursor is gone, once I restarted the X session.
Hopefully this helps those who need this kind of Raspberry/Raspbian setup.

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