% monoref -- suppress the auto-generated contents page with [notoc].
% Compile ONCE with LuaLaTeX:  lualatex 04-notoc.tex
\documentclass{article}
\usepackage{lipsum}
\usepackage[notoc]{monoref}
\begin{document}

\section{Only the body}\label{sec:a}
No contents page is prepended. Forward reference to
Section~\ref{sec:b} on page~\pageref{sec:b} still works, and this
document is \lastpage\ pages long.
\lipsum[1-6]

\section{Second}\label{sec:b}
Backward reference to Section~\ref{sec:a} on page~\pageref{sec:a}.
\lipsum[1-2]

\end{document}