diff -up irssi-0.8.15/docs/irssi.1.orig irssi-0.8.15/docs/irssi.1

--- irssi-0.8.15/docs/irssi.1.orig	2010-04-03 18:19:55.000000000 +0200

+++ irssi-0.8.15/docs/irssi.1	2012-08-03 16:34:19.684160994 +0200

@@ -59,9 +59,6 @@ display the version of Irssi.

 .TP

 .BI "\-?, \-\-help"

 show a help message.

-.TP

-.BI "\-\-usage"

-display brief usage message.

 .SH SEE ALSO

 .B Irssi

 has been supplied with a huge amount of documentation. Check /help or look