diff --git a/openseadragon.module b/openseadragon.module
index 695e529..62d1ff9 100644
--- a/openseadragon.module
+++ b/openseadragon.module
@@ -69,7 +69,9 @@ function template_preprocess_openseadragon_formatter(&$variables) {
   if (!empty($tile_sources)) {
 
     $viewer_settings['sequenceMode'] = count($tile_sources) > 1 && !$viewer_settings['collectionMode'];
-
+    $variables['#attached']['library'] = [
+      'openseadragon/init',
+    ];
     $variables['#attached']['drupalSettings']['openseadragon'][$openseadragon_viewer_id] = [
       'basePath' => Url::fromUri($iiif_address),
       'fitToAspectRatio' => $viewer_settings['fit_to_aspect_ratio'],
@@ -93,9 +95,6 @@ function template_preprocess_openseadragon_iiif_manifest_block(&$variables) {
   // Load the global settings.
   $config = \Drupal::service('openseadragon.config');
 
-  // @todo Once Libraries API is finished find a function for this.
-  $base_library_path = 'sites/all/assets/vendor';
-
   // Build the gallery id.
   $openseadragon_viewer_id = Html::getUniqueId('openseadragon-viewer-iiif-manifest-block');
 
@@ -115,6 +114,9 @@ function template_preprocess_openseadragon_iiif_manifest_block(&$variables) {
 
   // Attach the viewer, using the image urls obtained from the manifest.
   if (!is_null($iiif_address) && !empty($iiif_address) && !empty($tile_sources)) {
+    $variables['#attached']['library'] = [
+      'openseadragon/init',
+    ];
     $variables['#attached']['drupalSettings']['openseadragon'][$openseadragon_viewer_id] = [
       'basePath' => Url::fromUri($iiif_address),
       'fitToAspectRatio' => $viewer_settings['fit_to_aspect_ratio'],
diff --git a/templates/openseadragon-formatter.html.twig b/templates/openseadragon-formatter.html.twig
index d25d655..1457be5 100644
--- a/templates/openseadragon-formatter.html.twig
+++ b/templates/openseadragon-formatter.html.twig
@@ -11,6 +11,4 @@
  * @ingroup themeable
  */
 #}
-{{ attach_library('libraries/openseadragon') }}
-{{ attach_library('openseadragon/init') }}
 <div {{ attributes }}></div>
diff --git a/templates/openseadragon-iiif-manifest-block.html.twig b/templates/openseadragon-iiif-manifest-block.html.twig
index b1f31fc..5947c59 100644
--- a/templates/openseadragon-iiif-manifest-block.html.twig
+++ b/templates/openseadragon-iiif-manifest-block.html.twig
@@ -11,6 +11,4 @@
  * @ingroup themeable
  */
 #}
-{{ attach_library('libraries/openseadragon') }}
-{{ attach_library('openseadragon/init') }}
 <div {{ attributes }}></div>