Removing item from within delegate causes item properties to disappear

import QtQuick 2.2
import QtQuick.Window 2.1

Window {
    id: root
    visible: true
    width: 360
    height: 360
    signal clicked(int index)

    onClicked: {
        console.log("clicked", index)
    }

    ListModel {
        id: myList
        ListElement { x: 1; y: 2 }
        ListElement { x: 1; y: 2 }
        ListElement { x: 1; y: 2 }
        ListElement { x: 1; y: 2 }
    }

    Repeater {
        anchors {
            left: parent.left
            top: parent.top
            margins: 20
        }

        model: myList
        delegate: myDelegate
    }

    Component {
        id: myDelegate
        Rectangle {
            width: 100
            height: 100
            color: "green"
            MouseArea {
                anchors.fill: parent
                onClicked: {
                    myList.remove(index)
                    root.clicked(index)
                }
            }
        }
    }

}