Delete a Custom Property
To delete a Custom Property, access the Advanced Settings overview page and select the Custom Properties option in the left menu.
The Manage Custom Properties page is displayed:
Hover over a Custom Property in the desired tab, the Context menu is displayed:
Click on the Context menu for a Custom Property and select the Delete option:
A confirmation pop-up is opened with the Custom Property name in the title:
Click on the DELETE button.
The Custom Property is deleted.
A notification confirms the deletion:
Demonstration video