If you're referring to a transaction where you accidentally added a tag, you can remove it through the Lists window in QuickBooks, @Fredo69188.

Here's how:
 

1. Click on the Gear icon and go to Lists. 
   

    

2. In the Lists window, select Tags. 
   
   

    

3. Find the tag that’s linked to your transaction and click on it. 
   
   

    

4. A list of transactions using that tag will appear. Double-click the transaction you want to edit to open it. 
   

    

5. To remove the tag, click the X next to it.
   
   

    

   
   Let us know if there's anything else we can help you with.