Removing an array from a document?

I have a document in the following format,

"example-document": {
  _id: "example-document",
  "example-array1": [],
  "example-array2": []

and it’s not clear to me in the docs how to remove “example-array2” from this particular document since it’s an array and not an object. How can I just remove one particular array by name?

An array is an object. Use $unset.{ _id: "example-document" }, {$unset: { "example-array1": true } } )
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