diff --git a/leistungsschutzrecht/leistungsschutzrecht.php b/leistungsschutzrecht/leistungsschutzrecht.php
index ec633b1d..c58c707f 100644
--- a/leistungsschutzrecht/leistungsschutzrecht.php
+++ b/leistungsschutzrecht/leistungsschutzrecht.php
@@ -71,9 +71,13 @@ function leistungsschutzrecht_fetchsites() {
 	$sitelist = fetch_url($url);
 	$siteurls = explode(',', $sitelist);
 
+	$whitelist = array('tagesschau.de', 'heute.de', 'wdr.de');
+
 	$sites = array();
 	foreach ($siteurls AS $site) {
-		$sites[$site] = $site;
+		if (!in_array($site, $whitelist)) {
+			$sites[$site] = $site;
+		}
 	}
 
 	// I would prefer parsing the list from the original site, but I haven't found a list.
diff --git a/retriever/README b/retriever/README
new file mode 100644
index 00000000..b9728151
--- /dev/null
+++ b/retriever/README
@@ -0,0 +1,5 @@
+"retriever" is deactivated since it has side effects for all received posts.
+
+It was created in a time when the option 'Fetch further information for feeds' didn't exist.
+
+To activate it, please go to the list of your contacts, edit the contact and then select between the different options.
diff --git a/retriever/retriever.php b/retriever/retriever.php
index a05e2e3f..72e327b3 100644
--- a/retriever/retriever.php
+++ b/retriever/retriever.php
@@ -4,6 +4,7 @@
  * Description: Follow the permalink of RSS/Atom feed items and replace the summary with the full content.
  * Version: 1.0
  * Author: Matthew Exon <http://mat.exon.name>
+ * Status: Unsupported
  */
 
 require_once('include/html2bbcode.php');