diff --git a/classes/Feeds.php b/classes/Feeds.php
index a58c42e34..6284b1b8f 100644
--- a/classes/Feeds.php
+++ b/classes/Feeds.php
@@ -999,7 +999,7 @@ class Feeds extends Handler_Protected {
 	 *     Here you should call extractfeedurls in rpc-backend
 	 *     to get all possible feeds.
 	 * 5 - Couldn't download the URL content.
-	 * 6 - Content is an invalid XML.
+	 * 6 - currently unused
 	 * 7 - Error while creating feed database entry.
 	 * 8 - Permission denied (ACCESS_LEVEL_READONLY).
 	 */
diff --git a/js/CommonDialogs.js b/js/CommonDialogs.js
index 124c8a17d..eaa0249e8 100644
--- a/js/CommonDialogs.js
+++ b/js/CommonDialogs.js
@@ -197,9 +197,6 @@ const	CommonDialogs = {
 												case 5:
 													dialog.show_error(__("Couldn't download the specified URL: %s").replace("%s", App.escapeHtml(rc['message'])));
 													break;
-												case 6:
-													dialog.show_error(__("XML validation failed: %s").replace("%s", rc['message']));
-													break;
 												case 7:
 													dialog.show_error(__("Error while creating feed database entry."));
 													break;