On the building detail screen, click the "Edit Building" button located in the upper right corner of the screen.
You will now see the building information you have previously added.
Scroll until you see the 'Systems' and 'Assets' already added to the building.
To remove a system or asset, click the red 'x' next to the system and/or asset you'd like to remove.
Click 'Save' at the bottom of the screen when finished.
Need help? Contact our Support Team at firstname.lastname@example.org or submit a support ticket through the "Submit a request" link above.