Here are the steps to delete Label Files from AX 2012:
- Create a new model. You could call it "Test".
- Open the AOT and move the Label File(s) you want to get rid of to the new model.
- Close AX and stop the AOS.
- Use AXUtil to delete the new model.
- Select the label files (name start with 'ax' and followed with label id. select all files) and Delete from the server folder; C:\Program Files\Microsoft Dynamics AX\60\Server\...\bin\Application\Appl\Standard
- Start the AOS.
- Skip the upgrade wizard.