diff --git a/doc/latex/dns.tex b/doc/latex/dns.tex
index 229469d..0d2d970 100644
--- a/doc/latex/dns.tex
+++ b/doc/latex/dns.tex
@@ -400,22 +400,6 @@ field but we where no able to find test cases for them.
   returns the time the entry was created.
 \end{desc}
 
-
-\section{Host Names}
-\defun{fqdn?}{\str}{\boolean}
-\begin{desc}
-  Indicates whether the argument matches the grammar for a fully
-  qualified domain name.
-  \oops{The current implementation simply searches for a dot in the name}
-\end{desc}
-
-\defun{unqualified-hostname?}{\str}{\boolean}
-\begin{desc}
-  Returns true if the argument matches the grammar for a unqualified
-  host name.
-  \oops{This procedure isn't implemented yet}
-\end{desc}
-
 \section{Parsing \texttt{/etc/resolv.conf}}
 \label{sec:dns-rc}