Uninstall AutoClassifier SharePoint App
To remove the BA Insight AutoClassifier SharePoint App, use the following procedure.
AutoClassifier Removal: To remove the main BA Insight AutoClassifier application see How to Uninstall AutoClassifier.
                                            Procedure:
- Log in to SharePoint Online.
 - Navigate to the site where you have the AutoClassifier App installed.
 - Remove the BA Insight AutoClassifier for SP Online app from the site collection level.
 - Remove the AutoClassifier App from Site Settings > Site Contents.
 - Go back to the Site Settings > Recycle Bin and delete the App.
 - Go to the second stage recycle bin and delete the App from this location also.
 - Remove the AutoClassifier App from the App Catalog:
- Go to your SharePoint O365 administration page.
 - Go to Apps > App Catalog and select Apps for SharePoint.
 - Delete the App.
 - Delete the app from Recycle Bin and from the second stage Recycle Bin also.