Cordova Contact Plugin Bug - Can't remove contact field

document.addEventListener("deviceready", onDeviceReady, false);

  function onDeviceReady() {
    console.log("LETS GO");
    var myContact = navigator.contacts.create({"displayName": "Test User"});

    var phoneNumbers = [];

    phoneNumbers[0] = new ContactField('work', '212-555-1234', false);
    phoneNumbers[1] = new ContactField('mobile', '917-555-5432', true); // preferred number
    phoneNumbers[2] = new ContactField('home', '203-555-7890', false);


    myContact.phoneNumbers = phoneNumbers;

    console.log("Contact to be saved", phoneNumbers);

    myContact.save(function () {
      // Success
      updateContact(function () {
        // Callback after the Test User has been updated
        getTestUserContact(function (testContact) {
          console.log("The contact in the system looks now like this:", testContact);
          // Tidy Up
          testContact.remove();
        });



      });

    }, function () {
      // error

      console.error("Well, something went wrong...", err);

    });

  }


  function updateContact(callback) {
    navigator.contacts.find(["*"], function (contacts) {

      // Success

      console.log("BEFORE UPDATE", contacts);

      var index = 0;

      // Find the Test User, we previously created
      while (index != contacts.length) {
        var contact = contacts[index];

        if (contact.nickname == "Test User") { // FIXME: I dont have a clue why the displayName attribute is saved to the nickname attribute....
          // Remove the last phone number from the array
          delete contact.phoneNumbers[2];

          console.log("Contact after removing a phoneNumber", contact);

          // Save the Test User contact
          contact.save();

          callback();

          return;
        }

        index++;
      }

      console.error("Could not find Test User.");


    }, function (err) {

      // Error
      console.error("Well, something went wrong...", err);

    });
  }

  function getTestUserContact(callback) {
    navigator.contacts.find(["*"], function (contacts) {

      // Success

      var index = 0;

      // Find the Test User, we previously created
      while (index != contacts.length) {
        var contact = contacts[index];

        if (contact.nickname == "Test User") {

          callback(contact);
          return;
        }

        index++;
      }

      console.error("Could not find Test User.");
    });

  }