diff --git a/src/docs/cmu-user/unicode.tex b/src/docs/cmu-user/unicode.tex
index 921a40d6c9df1caf5fe587c660806a847160ff75..c6a1a98a7620fcb288f1d77db9f30e1847e1d879 100644
--- a/src/docs/cmu-user/unicode.tex
+++ b/src/docs/cmu-user/unicode.tex
@@ -615,18 +615,6 @@ utility functions are provided to make access easier.
   converting the octets.
 \end{defun}
 
-\begin{defun}{}{list-all-external-formats}{}
-  \code{list-all-external-formats} produces a list of all known
-  external formats and the known aliases for for them.  Each element
-  of the list is a list consisting of the name of the external format
-  and a list of the known aliases for the format.
-\end{defun}
-
-\begin{defun}{}{describe-external-format}{\args \var{external-format}}
-  \code{describe-external-format} prints a description of the
-  specified external-format.
-\end{defun}
-
 \section{Writing External Formats}
 
 \subsection{External Formats}