1
Log in to your HubSpot account and click the Settings icon in the top navigation bar.

2
In the left sidebar menu, go to Integrations → Connected Apps.

3
Locate the Fortnox integration app in the list of connected apps. Click “Actions” next to it and select “Uninstall” from the dropdown menu.

4
In the dialog box that appears, type “Uninstall” in the provided text field and click “Uninstall” to confirm.

Uninstalling the app will not delete any of your existing data, however, it will impact your ability to use the integration functionality.