diff --git a/text/preliminaries/main.tex b/text/preliminaries/main.tex
index 50604ef..192f65a 100644
--- a/text/preliminaries/main.tex
+++ b/text/preliminaries/main.tex
@@ -9,4 +9,3 @@ Third, in Section~\ref{sec:correlation}, we mention the different types of corre
 \input{preliminaries/data}
 \input{preliminaries/privacy}
 \input{preliminaries/correlation}
-\input{preliminaries/summary}
diff --git a/text/preliminaries/summary.tex b/text/preliminaries/summary.tex
deleted file mode 100644
index c7edd65..0000000
--- a/text/preliminaries/summary.tex
+++ /dev/null
@@ -1,4 +0,0 @@
-\section{Summary}
-\label{sec:sum-prel}
-
-This is the summary of this chapter.