QuickBooks Online makes it easy to merge accounts and I'll be glad to show you how.
If you're using two similar accounts and want to combine them into a single account, you can follow the steps below. Please keep in mind that the merging process is not reversible and cannot be undone.
Any transactions in the account being merged will be moved to the remaining account at the time the merge is processed.
For more information about merging an account in Chart of Accounts, you can check this article: https://community.intuit.com/articles/1145424.
To delete an account:
Give this a try and if you need further assistance, I recommend contacting our support team using this link.