Upgrade to AAI 6.2.0 which has the new feature described below and in the AAI 6.2.0 Release Notes.
Advanced Query Option
An Advanced query option has been added to allow deleted machines to be excluded from the VISION Machine panel results. Both active and deleted machines are included in the results by default.
Deleted machines can be excluded by adding
deleted=false to the Advanced query options. Results for deleted machines can only be retrieved by adding
deleted=true to the Advanced query options.