Welcome to the Community, @keikikupuna.
You can easily uncheck the Tax box in the transaction to remove the sales tax from donations. I'd be glad to walk you through the steps.
To get started, you'll need to find and edit the transactions. Here's how:
I've added a screenshot below for your visual reference.
Moving forward, you can turn off the sales tax option so your transactions won't automatically add a sales tax every time you'll create one. To do that, please follow the steps below:
In case you need tips and related articles in the future, visit our QuickBooks Community help website for reference: QBO Self-help.
Just hit the Reply button below if you have additional questions. We're always here to help.