Forgot Master Password, no acct File Vault: How to get rid of Mst Password?

Hi -
I am embarrassed, mortified, and humbled about having to post this because it's not about 'someone I know' but about something careless that I did.
This morning, I set up a second account with File Vault on my MBA (Late 2010) to keep sensitive files in it. While setting it up, I set a Master Password which I hadn't enabled before this morning. I used the password generator and used one that I dutifully copied on the clipboard with the intention of IMMEDIATELY copying it into my 1Password app. Then I set up the second account with File Vault.
Well, of course, something distracted me, I habitually copied something else on the clipboard, and I lost the Master Password from my clipboard. (I know, I've been kicking myself ever since...)
Here's my question: The Master Password is not protecting any content in File Vault and I would like to disable the forgotten Master Password and set up one that I really will remember (at least, that's the plan!). How can I do this?
I deleted the new account and I have only one other which is the primary administrator account that is not protected by File Vault. Thanks in advance for any help on this!
(possibly similar to this parallel topic: http://discussions.apple.com/thread.jspa?messageID=13321714&#13321714)

See this thread:
*How to reset FileVault master password*
http://discussions.apple.com/thread.jspa?messageID=5822772
As explained there, and for obvious security reasons, a new master password created in this fashion way will not unlock any pre-existing FileVault accounts. So resetting the master password is only useful after you have turned off FileVault in all existing accounts, as is true in your case.

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Forgot Master Password, no acct File Vault: How to get rid of Mst Password?

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