diff --git a/h5p-default-storage.class.php b/h5p-default-storage.class.php
index 9766e47..d6d13ea 100644
--- a/h5p-default-storage.class.php
+++ b/h5p-default-storage.class.php
@@ -454,7 +454,8 @@ class H5PDefaultStorage implements \H5PFileStorage {
     /**
      * Check if the file presave.js exists in the root of the library
      *
-     * @param string $name
+     * @param string $libraryFolder
+     * @param string $developmentPath
      * @return bool
      */
   public function hasPresave($libraryFolder, $developmentPath = null) {
diff --git a/h5p-file-storage.interface.php b/h5p-file-storage.interface.php
index 976605e..4dbdbc6 100644
--- a/h5p-file-storage.interface.php
+++ b/h5p-file-storage.interface.php
@@ -194,7 +194,9 @@ interface H5PFileStorage {
   /**
    * Check if the library has a presave.js in the root folder
    *
-   * @return string|null Path if presave.js found
+   * @param string $libraryName
+   * @param string $developmentPath
+   * @return bool
    */
   public function hasPresave($libraryName, $developmentPath = null);
 }
diff --git a/h5p.classes.php b/h5p.classes.php
index efac783..650895c 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -2118,9 +2118,6 @@ class H5PCore {
       $dependency['version'] = "?ver={$dependency['majorVersion']}.{$dependency['minorVersion']}.{$dependency['patchVersion']}";
       $this->getDependencyAssets($dependency, 'preloadedJs', $files['scripts'], $prefix);
       $this->getDependencyAssets($dependency, 'preloadedCss', $files['styles'], $prefix);
-      if( $this->hasPresave($libraryName) ){
-        $this->addPresaveFile($files, $dependency, $prefix);
-      }
     }
 
     if ($this->aggregateAssets) {
@@ -2134,26 +2131,6 @@ class H5PCore {
     return $files;
   }
 
-    public function hasPresave($libraryName)
-    {
-        if( isset($this->h5pD) ){
-            extract(H5PCore::libraryFromString($libraryName));
-            $library = $this->h5pD->getLibrary($machineName, $majorVersion, $minorVersion);
-            if( !is_null($library)){
-                return $this->fs->hasPresave($libraryName, $library['path']);
-            }
-        }
-        return $this->fs->hasPresave($libraryName);
-    }
-
-  public function addPresaveFile(&$assets, $library, $prefix = ''){
-    $this->getDependencyAssets([
-      'path' => array_key_exists('path', $library) ? $library['path'] : 'libraries' . DIRECTORY_SEPARATOR . self::libraryToString($library, true),
-      'version' => array_key_exists('version', $library) ? $library['version'] : "?ver={$library['majorVersion']}.{$library['minorVersion']}.{$library['patchVersion']}",
-      'presaveJs' => ['presave.js']
-    ], 'presaveJs', $assets['scripts'], $prefix);
-  }
-
   private static function getDependenciesHash(&$dependencies) {
     // Build hash of dependencies
     $toHash = array();