If you'd want to uninstall Duplicate Check for Dynamics 365, proceed as follows:

1. Go to the Solutions overview of your environment.
2. Either
   • Tick Duplicate Check for Dynamics 365, and select Delete in the menu bar. Or
   • Click on the three-dots-icon in the Duplicate Check for Dynamics 365 line, and select Delete.
3. Click OK in the confirmation window.

We're sad to see you go, and hope to meet you again in the future!