Remove second index entry for UserList.
diff --git a/Doc/lib/libuserdict.tex b/Doc/lib/libuserdict.tex
index 099334e..2084b5c 100644
--- a/Doc/lib/libuserdict.tex
+++ b/Doc/lib/libuserdict.tex
@@ -20,7 +20,6 @@
 \code{data} attribute of \code{UserDict} instances.
 \end{funcdesc}
 
-\stmodindex{UserList}
 \renewcommand{\indexsubitem}{(in module UserList)}
 The \code{UserList} module defines the \code{UserList} class:
 
diff --git a/Doc/libuserdict.tex b/Doc/libuserdict.tex
index 099334e..2084b5c 100644
--- a/Doc/libuserdict.tex
+++ b/Doc/libuserdict.tex
@@ -20,7 +20,6 @@
 \code{data} attribute of \code{UserDict} instances.
 \end{funcdesc}
 
-\stmodindex{UserList}
 \renewcommand{\indexsubitem}{(in module UserList)}
 The \code{UserList} module defines the \code{UserList} class: