Hey , i am using this but the gridlines is not disappearing. its column chart of chart js

 "options"=>array(
                "scales" => array(
                    "yAxes" => array(
                            "display"=>true,
                            "gridLines" => array(
                                "display" => false
                            ),
                        )
                    ),

\koolreport\chartjs\ColumnChart::create(array(

        "plugins" => [
            "datalabels"
        ],
        "dataSource"=>$chart_array,
        "legend"=>array(
            "display"=>false
        ),
        "options"=>array(
            "scales" => array(
                "yAxes" => array(
                        "display"=>true,
                        "gridLines" => array(
                            "display" => false
                        ),
                    )
                ),

            )

    ));

This is the complete function