diff --git a/apps/bookmarks/appinfo/app.php b/apps/bookmarks/appinfo/app.php
index a1f6139d89..09d7b5df52 100644
--- a/apps/bookmarks/appinfo/app.php
+++ b/apps/bookmarks/appinfo/app.php
@@ -8,6 +8,7 @@
 */
 
 OC::$CLASSPATH['OC_Bookmarks_Bookmarks'] = 'apps/bookmarks/lib/bookmarks.php';
+OC::$CLASSPATH['OC_Search_Provider_Bookmarks'] = 'apps/bookmarks/lib/search.php';
 
 OC_App::register( array( 'order' => 70, 'id' => 'bookmark', 'name' => 'Bookmarks' ));
 
@@ -15,5 +16,5 @@ $l = new OC_l10n('bookmarks');
 OC_App::addNavigationEntry( array( 'id' => 'bookmarks_index', 'order' => 70, 'href' => OC_Helper::linkTo( 'bookmarks', 'index.php' ), 'icon' => OC_Helper::imagePath( 'bookmarks', 'bookmarks.png' ), 'name' => $l->t('Bookmarks')));
 
 OC_App::registerPersonal('bookmarks', 'settings');
-require_once('apps/bookmarks/lib/search.php');
 OC_Util::addScript('bookmarks','bookmarksearch');
+OC_Search::registerProvider('OC_Search_Provider_Bookmarks');
diff --git a/apps/bookmarks/lib/search.php b/apps/bookmarks/lib/search.php
index 59495db82e..235587855d 100644
--- a/apps/bookmarks/lib/search.php
+++ b/apps/bookmarks/lib/search.php
@@ -20,8 +20,8 @@
  *
  */
 
-class OC_Search_Provider_Bookmarks extends OC_Search_Provider{
-	function search($query){
+class OC_Search_Provider_Bookmarks implements OC_Search_Provider{
+	static function search($query){
 		$results=array();
 		
 		$offset = 0;
@@ -45,6 +45,3 @@ class OC_Search_Provider_Bookmarks extends OC_Search_Provider{
 		return $results;
 	}
 }
-new OC_Search_Provider_Bookmarks();
-
-?>
diff --git a/apps/calendar/appinfo/app.php b/apps/calendar/appinfo/app.php
index 9c95768895..174bc009e4 100644
--- a/apps/calendar/appinfo/app.php
+++ b/apps/calendar/appinfo/app.php
@@ -6,6 +6,7 @@ if(version_compare(PHP_VERSION, '5.3.0', '>=')){
 	OC::$CLASSPATH['OC_Calendar_Object'] = 'apps/calendar/lib/object.php';
 	OC::$CLASSPATH['OC_Calendar_Hooks'] = 'apps/calendar/lib/hooks.php';
 	OC::$CLASSPATH['OC_Connector_Sabre_CalDAV'] = 'apps/calendar/lib/connector_sabre.php';
+	OC::$CLASSPATH['OC_Search_Provider_Calendar'] = 'apps/calendar/lib/search.php';
 	OC_HOOK::connect('OC_User', 'post_deleteUser', 'OC_Calendar_Hooks', 'deleteUser');
 	OC_Util::addScript('calendar','loader');
 	OC_App::register( array( 
@@ -19,5 +20,5 @@ if(version_compare(PHP_VERSION, '5.3.0', '>=')){
 	  'icon' => OC_Helper::imagePath( 'calendar', 'icon.svg' ),
 	  'name' => $l->t('Calendar')));
 	OC_App::registerPersonal('calendar', 'settings');
-	require_once('apps/calendar/lib/search.php');
+	OC_Search::registerProvider('OC_Search_Provider_Calendar');
 }
diff --git a/apps/calendar/lib/search.php b/apps/calendar/lib/search.php
index 0016751a66..8405866392 100644
--- a/apps/calendar/lib/search.php
+++ b/apps/calendar/lib/search.php
@@ -1,6 +1,6 @@
 <?php
-class OC_Search_Provider_Calendar extends OC_Search_Provider{
-	function search($query){
+class OC_Search_Provider_Calendar implements OC_Search_Provider{
+	static function search($query){
 		$calendars = OC_Calendar_Calendar::allCalendars(OC_User::getUser(), 1);
 		if(count($calendars)==0 || !OC_App::isEnabled('calendar')){
 			//return false;
@@ -44,4 +44,3 @@ class OC_Search_Provider_Calendar extends OC_Search_Provider{
 		return $results;
 	}
 }
-new OC_Search_Provider_Calendar();
diff --git a/apps/contacts/appinfo/app.php b/apps/contacts/appinfo/app.php
index c3b4916a3f..63833dd5cd 100644
--- a/apps/contacts/appinfo/app.php
+++ b/apps/contacts/appinfo/app.php
@@ -4,6 +4,7 @@ OC::$CLASSPATH['OC_Contacts_Addressbook'] = 'apps/contacts/lib/addressbook.php';
 OC::$CLASSPATH['OC_Contacts_VCard'] = 'apps/contacts/lib/vcard.php';
 OC::$CLASSPATH['OC_Contacts_Hooks'] = 'apps/contacts/lib/hooks.php';
 OC::$CLASSPATH['OC_Connector_Sabre_CardDAV'] = 'apps/contacts/lib/connector_sabre.php';
+OC::$CLASSPATH['OC_Search_Provider_Contacts'] = 'apps/contacts/lib/search.php';
 OC_HOOK::connect('OC_User', 'post_deleteUser', 'OC_Contacts_Hooks', 'deleteUser');
 OC_HOOK::connect('OC_Calendar', 'getEvents', 'OC_Contacts_Hooks', 'getBirthdayEvents');
 OC_HOOK::connect('OC_Calendar', 'getSources', 'OC_Contacts_Hooks', 'getCalenderSources');
@@ -23,4 +24,4 @@ OC_App::addNavigationEntry( array(
 
 OC_APP::registerPersonal('contacts','settings');
 OC_UTIL::addScript('contacts', 'loader');
-require_once('apps/contacts/lib/search.php');
+OC_Search::registerProvider('OC_Search_Provider_Contacts');
diff --git a/apps/contacts/lib/search.php b/apps/contacts/lib/search.php
index 5aad6a25f0..cf0a5fe699 100644
--- a/apps/contacts/lib/search.php
+++ b/apps/contacts/lib/search.php
@@ -1,6 +1,6 @@
 <?php
-class OC_Search_Provider_Contacts extends OC_Search_Provider{
-	function search($query){
+class OC_Search_Provider_Contacts implements OC_Search_Provider{
+	static function search($query){
 		$addressbooks = OC_Contacts_Addressbook::all(OC_User::getUser(), 1);
 // 		if(count($calendars)==0 || !OC_App::isEnabled('contacts')){
 // 			//return false;
@@ -26,4 +26,3 @@ class OC_Search_Provider_Contacts extends OC_Search_Provider{
 		return $results;
 	}
 }
-new OC_Search_Provider_Contacts();
diff --git a/apps/gallery/appinfo/app.php b/apps/gallery/appinfo/app.php
index b8de32ea58..1e5e27d408 100644
--- a/apps/gallery/appinfo/app.php
+++ b/apps/gallery/appinfo/app.php
@@ -40,8 +40,8 @@ OC_App::addNavigationEntry( array(
  'icon' => OC_Helper::imagePath('core', 'places/picture.svg'),
  'name' => $l->t('Gallery')));
 
- class OC_GallerySearchProvider extends OC_Search_Provider{
-	function search($query){
+ class OC_GallerySearchProvider implements OC_Search_Provider{
+	static function search($query){
 		$stmt = OC_DB::prepare('SELECT * FROM *PREFIX*gallery_albums WHERE uid_owner = ? AND album_name LIKE ?');
 		$result = $stmt->execute(array(OC_User::getUser(),'%'.$query.'%'));
 		$results=array();
@@ -52,7 +52,7 @@ OC_App::addNavigationEntry( array(
 	}
 }
 
-new OC_GallerySearchProvider();
+OC_Search::registerProvider('OC_GallerySearchProvider');
 
 require_once('apps/gallery/lib/hooks_handlers.php');
 ?>
diff --git a/apps/media/appinfo/app.php b/apps/media/appinfo/app.php
index 475a33500f..651067fbbe 100644
--- a/apps/media/appinfo/app.php
+++ b/apps/media/appinfo/app.php
@@ -30,4 +30,5 @@ OC_APP::registerPersonal('media','settings');
 OC_App::register( array( 'order' => 3, 'id' => 'media', 'name' => 'Media' ));
 
 OC_App::addNavigationEntry(array('id' => 'media_index', 'order' => 2, 'href' => OC_Helper::linkTo('media', 'index.php'), 'icon' => OC_Helper::imagePath('core', 'places/music.svg'), 'name' => $l->t('Music')));
-?>
+
+OC_Search::registerProvider('OC_MediaSearchProvider');
diff --git a/apps/media/lib_media.php b/apps/media/lib_media.php
index a2109c151a..9de291e8da 100644
--- a/apps/media/lib_media.php
+++ b/apps/media/lib_media.php
@@ -82,8 +82,8 @@ class OC_MEDIA{
 	}
 }
 
-class OC_MediaSearchProvider extends OC_Search_Provider{
-	function search($query){
+class OC_MediaSearchProvider implements OC_Search_Provider{
+	static function search($query){
 		require_once('lib_collection.php');
 		$artists=OC_MEDIA_COLLECTION::getArtists($query);
 		$albums=OC_MEDIA_COLLECTION::getAlbums(0,$query);
@@ -107,5 +107,3 @@ class OC_MediaSearchProvider extends OC_Search_Provider{
 	}
 }
 
-new OC_MediaSearchProvider();
-?>
diff --git a/files/appinfo/app.php b/files/appinfo/app.php
index e434296b25..0bf73d9a07 100644
--- a/files/appinfo/app.php
+++ b/files/appinfo/app.php
@@ -7,4 +7,4 @@ OC_App::register( array( "order" => 2, "id" => "files", "name" => "Files" ));
 
 OC_App::addNavigationEntry( array( "id" => "files_index", "order" => 1, "href" => OC_Helper::linkTo( "files", "index.php" ), "icon" => OC_Helper::imagePath( "core", "places/home.svg" ), "name" => $l->t("Files") ));
 
-?>
+OC_Search::registerProvider('OC_Search_Provider_File');
diff --git a/lib/base.php b/lib/base.php
index ee79f08eb2..336ff9fa23 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -350,6 +350,3 @@ if(!function_exists('get_temp_dir')) {
 }
 
 OC::init();
-
-// FROM search.php
-new OC_Search_Provider_File();
diff --git a/lib/search.php b/lib/search.php
index f6f805bfe6..6b33fa3814 100644
--- a/lib/search.php
+++ b/lib/search.php
@@ -29,7 +29,7 @@ class OC_Search{
 	
 	/**
 	 * register a new search provider to be used
-	 * @param OC_Search_Provider $provider
+	 * @param string $provider class name of a OC_Search_Provider
 	 */
 	public static function registerProvider($provider){
 		self::$providers[]=$provider;
@@ -43,7 +43,7 @@ class OC_Search{
 	public static function search($query){
 		$results=array();
 		foreach(self::$providers as $provider){
-			$results=array_merge($results,$provider->search($query));
+			$results=array_merge($results, $provider::search($query));
 		}
 		return $results;
 	}
diff --git a/lib/search/provider.php b/lib/search/provider.php
index cceed8b04a..9487ca51f2 100644
--- a/lib/search/provider.php
+++ b/lib/search/provider.php
@@ -2,15 +2,11 @@
 /**
  * provides search functionalty
  */
-abstract class OC_Search_Provider{
-	public function __construct(){
-		OC_Search::registerProvider($this);
-	}
-
+interface OC_Search_Provider {
 	/**
 	 * search for $query
 	 * @param string $query
 	 * @return array An array of OC_Search_Result's
 	 */
-	abstract function search($query);
+	static function search($query);
 }
diff --git a/lib/search/provider/file.php b/lib/search/provider/file.php
index a37af49559..3bdb3bcd2a 100644
--- a/lib/search/provider/file.php
+++ b/lib/search/provider/file.php
@@ -1,7 +1,7 @@
 <?php
 
-class OC_Search_Provider_File extends OC_Search_Provider{
-	function search($query){
+class OC_Search_Provider_File implements OC_Search_Provider{
+	static function search($query){
 		$files=OC_FileCache::search($query,true);
 		$results=array();
 		foreach($files as $fileData){