diff --git a/index.bs b/index.bs
index 8f12121b2..a679e6e22 100644
--- a/index.bs
+++ b/index.bs
@@ -1740,7 +1740,6 @@ session.DirectProxyConfiguration = (
 
 session.ManualProxyConfiguration = (
    proxyType: "manual",
-   ? ftpProxy: text,
    ? httpProxy: text,
    ? sslProxy: text,
    ? session.SocksProxyConfiguration,