diff --git a/Parsedown.php b/Parsedown.php
index 42b8298..0695c6f 100644
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -97,8 +97,6 @@ class Parsedown
         'ircs:',
         'git:',
         'ssh:',
-        'ftp:',
-        'ftps:',
         'news:',
         'steam:',
     );