Remove duplicate toggle and checkbox with materialize. add this code before $.material.init();

remove_duplicate_toggle_checkbox.js

...
$.material.togglebutton = function(selector) {
  // Add fake-checkbox to material checkboxes
  $((selector) ? selector : this.options.togglebuttonElements)
    .filter(":notmdproc")
    .filter(function(){ //added this filter to skip checkboxes that were already initialized
      return $(this).parent().find(".toggle").length === 0;
    })
    .data("mdproc", true)
    .after("<span class=toggle></span>");
};

$.material.checkbox = function(selector) {
        // Add fake-checkbox to material checkboxes
        $((selector) ? selector : this.options.checkboxElements)
                .filter(":notmdproc")
                .filter(function(){ //added this filter to skip checkboxes that were already initialized
                    return $(this).parent().find(".check").length === 0;
                })
                .data("mdproc", true)
                .after("<span class=check></span>");
    };
...
$.material.init();