diff --git a/appl/push/push.8 b/appl/push/push.8
index 231f36880..32a9eb351 100644
--- a/appl/push/push.8
+++ b/appl/push/push.8
@@ -8,7 +8,6 @@
 .Nd fetch mail via POP
 .Sh SYNOPSIS
 .Nm
-.Op Fl 4 | Fl -krb4
 .Op Fl 5 | Fl -krb5
 .Op Fl v | Fl -verbose
 .Op Fl f | Fl -fork
@@ -51,11 +50,6 @@ environment variable.
 Supported options:
 .Bl -tag -width Ds
 .It Xo
-.Fl 4 ,
-.Fl -krb4
-.Xc
-use Kerberos 4 (if compiled with support for Kerberos 4)
-.It Xo
 .Fl 5 ,
 .Fl -krb5
 .Xc