diff --git a/doc/suika-config.5 b/doc/suika-config.5
index f0a9166..99a1634 100644
--- a/doc/suika-config.5
+++ b/doc/suika-config.5
@@ -99,18 +99,6 @@ Listens on a Unix domain socket
 .  sp -1
 .  IP \(bu 2.3
 .\}
-unix+admin:///<path>
-Listens on a Unix domain socket for use with suikactl(1)
-.RE
-.sp
-.RS 4
-.ie n \{\
-\h'-04'\(bu\h'+03'\c
-.\}
-.el \{\
-.  sp -1
-.  IP \(bu 2.3
-.\}
 wss://host:port
 Listens for WebSocket connections over TLS
 .RE
diff --git a/doc/suika-config.adoc b/doc/suika-config.adoc
index 6b0e513..562c754 100644
--- a/doc/suika-config.adoc
+++ b/doc/suika-config.adoc
@@ -31,8 +31,6 @@ Listens with TLS over TCP
 Listens with plain-text over TCP
 * unix:///<path>
 Listens on a Unix domain socket
-* unix+admin:///<path>
-Listens on a Unix domain socket for use with suikactl(1)
 * wss://host:port
 Listens for WebSocket connections over TLS
 * ws+insecure://host:port