Yes! You can archive items in your account that you no longer own but want to keep track of for your records.
See below for specific steps on how to do this on iOS and Android.
You can archive your items by navigating to the My Trōv section and tapping on “Select”' at the top right which allows you to multi-select as indicated by the checks.
Once all your items are selected tap the 'Archive' button to remove all your items.
You can archive your items by navigating to the My Trōv section then tapping and holding down an item until it stays selected and shows you additional options at the top.
Continue selecting all your items and then tap the archive icon located at the top right to archive.