diff --git a/js/dropdown-widget.js b/js/dropdown-widget.js
index 9f75dee..8b4e71b 100644
--- a/js/dropdown-widget.js
+++ b/js/dropdown-widget.js
@@ -7,7 +7,6 @@
 
   'use strict';
 
-
   Drupal.facets = {};
   Drupal.behaviors.facetsDropdownWidget = {
     attach: function (context, settings) {
@@ -16,7 +15,7 @@
   };
 
   /**
-   * Turns all facet links into options.
+   * Turns all facet links into a dropdown with options for every link.
    */
   Drupal.facets.makeDropdown = function () {
     // Find all dropdown facet links and turn them into an option.
@@ -27,7 +26,7 @@
       // Add empty text option first.
       var default_option_label = $(this).data('facet-default-option-label');
       var $default_option = $('<option />')
-        .attr("value", '')
+        .attr('value', '')
         .text(default_option_label);
 
       var has_active = false;
@@ -35,14 +34,14 @@
         var $link = $(this);
         var active = $link.hasClass('is-active');
         var $option = $('<option />')
-          .attr("value", $link.attr('href'));
-        if(active){
+          .attr('value', $link.attr('href'));
+        if (active) {
           has_active = true;
           // Set empty text value to this link to unselect facet.
-          $default_option.attr("value", $link.attr('href'));
+          $default_option.attr('value', $link.attr('href'));
 
           $option.attr('selected', 'selected');
-          $link.find('.facet-deactivate').remove()
+          $link.find('.facet-deactivate').remove();
         }
         $option.html($link.html());
         $dropdown.append($option);
@@ -54,7 +53,7 @@
       });
 
       // Append empty text option.
-      if(!has_active){
+      if (!has_active) {
         $default_option.attr('selected', 'selected');
       }
       $dropdown.prepend($default_option);
diff --git a/src/Plugin/facets/widget/DropdownWidget.php b/src/Plugin/facets/widget/DropdownWidget.php
index d50e512..3062225 100644
--- a/src/Plugin/facets/widget/DropdownWidget.php
+++ b/src/Plugin/facets/widget/DropdownWidget.php
@@ -4,7 +4,6 @@ namespace Drupal\facets\Plugin\facets\widget;
 
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\facets\FacetInterface;
-use Drupal\Core\StringTranslation\StringTranslationTrait;
 
 /**
  * The dropdown widget.
@@ -15,8 +14,7 @@ use Drupal\Core\StringTranslation\StringTranslationTrait;
  *   description = @Translation("A configurable widget that shows a dropdown."),
  * )
  */
-
-class DropdownWidget extends LinksWidget{
+class DropdownWidget extends LinksWidget {
 
   /**
    * The facet the widget is being built for.
diff --git a/src/Tests/WidgetIntegrationTest.php b/src/Tests/WidgetIntegrationTest.php
index ed8dad2..b7a8fa7 100644
--- a/src/Tests/WidgetIntegrationTest.php
+++ b/src/Tests/WidgetIntegrationTest.php
@@ -2,8 +2,6 @@
 
 namespace Drupal\facets\Tests;
 
-use Drupal\Core\Url;
-
 /**
  * Tests the overall functionality of the Facets admin UI.
  *
diff --git a/tests/src/Unit/Plugin/widget/DropdownWidgetTest.php b/tests/src/Unit/Plugin/widget/DropdownWidgetTest.php
index b70f6c4..4eef01f 100644
--- a/tests/src/Unit/Plugin/widget/DropdownWidgetTest.php
+++ b/tests/src/Unit/Plugin/widget/DropdownWidgetTest.php
@@ -8,7 +8,6 @@ use Drupal\facets\Entity\Facet;
 use Drupal\facets\Plugin\facets\widget\DropdownWidget;
 use Drupal\facets\Result\Result;
 use Drupal\Tests\UnitTestCase;
-use Symfony\Component\DependencyInjection\ContainerBuilder;
 
 /**
  * Unit test for widget.
@@ -109,5 +108,4 @@ class DropdownWidgetTest extends UnitTestCase {
     return $text;
   }
 
-
 }