Why is my IRS payment hitting both my tax expense and liability account?

I'll help check why your IRS payment hitting two accounts, @ak33.

You'll want to view your payroll settings to see the accounts. Let me guide you how.

1. Go to Gear.
2. Select Payroll settings.
3. Tap Accounting under Preferences.
4. Scroll towards the Tax Liability Accounts and Other Liability & Asset Accounts section.
5. Change the expense account to a liability account.
6. Click OK.

Check out this article for more information: Pay and file payroll taxes online.

Additionally, here's a link that'll help you manage your payroll tasks. Just choose a topic on this page and look for an article: QuickBooks Online Payroll topic page. 

Let me know if there's anything else I can do for you with payroll liability accounts. I'll be here to provide steps or solutions to help you out. Have a wonderful day ahead.