how to get rid of keyring in ubuntu

source: http://davestechsupport.com/blog/2009/01/16/how-to-remove-ubuntus-password-keyring/

Click on MENU
open "terminal"
-type:

"cd .gnome2" (without quotes)
press enter
"cd keyrings"
press enter

"rm name_of_the_file" 
(type first letter, then tab)
press enter
"rm name_of_the_2nd_file"
press enter


-close terminal
-Restart the computer

-enter your wireless password

In the keyring manager leave both boxes completely empty and click Create.
Or OK. Just DON'T click cancel.

You�ll then be asked if you know what the hell you�re doing:
Go ahead and click Use Unsafe Storage.

WARNING: Doing this creates a new file in your ~/.gnome2/keyrings/ folder called default.keyring keep
passwords IN CLEAR TEXT and not in an encrypted form