I've heard that paying off charge offs won't make

Paying a five year old charge off wont raise a credit score. Keep paying on your current debts.

As soaplady says, pay your current debts. The charge offs should disappear in another 2 years or so.

Thanks for the help guys!

I would still pursue payment and a CR deletion. A CO is a major delinquency. If unpaid, it can mature into a collection or legal action. Are you still within SOL?

What's SOL?

Statute of Limitation. Google for your state

I believe it's 7 years in CA

There is one aspect of paying a charge-off that can affect credit scoring.
Accounts, both open and cloed, still reporting a balance, contunue to be included in your percent utiliazation calculation until the balance reaches $0, then it drops from calculation of % util. If the CL on the card was high, and the balance low enough to result in a low % util, then it might, in fact, be helping your % util
Then, once the balance is paid, you would loose the CL in your overall % util calculation, which again, if a high CL, might have a negative affect on overall utilization.