Being able to bulk delete the expenses is a great functionality, AngelaBP.
As of now, this feature isn't available in QuickBooks Online. In the meantime, you'll have to open each transaction and select the Delete option to remove them. For reference, please check out this article: Void or Delete Transactions in QuickBooks Online.

You can also visit our QuickBooks Apps Store page to look for a third-party application that offers this functionality. Then, integrate the app into the program.
I encourage sending feedback directly to our Product Development team. This helps us improve the features of the program. Here's how:
- Go to the Gear menu and then select Feedback.
- Type in your feature request in the description box.
- Once done, click on Next.
If these are downloaded transactions, the recommended step to delete them is by manually excluding the entries.
Once everything is settled in your QuickBooks account, you'll want to perform the reconciliation process to ensure your account and real-life bank balance are matched.
You can always add a reply below if you have follow-up questions about deleting the transactions. I'm always ready to chime in and lend a hand. Have a good day ahead, and keep safe.