Kendo: How to clear or reset kendo grid sorting without firing data read?

To clear sorting setting in kendo grid reset sort array with blank object .
var grid = $("#UsersGrid" );

if (grid.data("kendoGrid" ).dataSource != null) {

  if (grid.data("kendoGrid" ).dataSource._sort != null && grid.data("kendoGrid" ).dataSource._sort != undefined)
  {
    grid.data("kendoGrid" ).dataSource._sort[0] = {};
  }

}