Let me share some information about journal entries, @HHC-CHB.

Yes, this will change the bank reconciliation if you checked off the journal entry in a reconciled bank account.

To learn more about what to do if your accounts in QuickBooks Desktop don't match your bank statements, you can refer to this article for the detailed steps: Fix issues when you're reconciling in QuickBooks Desktop. It also provides information about the causes of reconciliation issues.

Feel free to hit the Reply button if you have any other questions about removing entries from a reconciled bank account. I'm always around to help. Enjoy your day ahead!