diff --git a/main.pdf b/main.pdf
index 4a71702..63955d0 100644
Binary files a/main.pdf and b/main.pdf differ
diff --git a/math_rsa.cls b/math_rsa.cls
index 26c61f0..a5e866a 100644
--- a/math_rsa.cls
+++ b/math_rsa.cls
@@ -84,9 +84,5 @@ headsep=1em
 % Reference a Bibtext item
 \RequirePackage{cite}
 
-% remove the the bibliography header
-\RequirePackage{etoolbox}
-\patchcmd{\thebibliography}{\section*{\refname}}{}{}{}
-
 %sort the bibliography by appearance
 \RequirePackage[numbers,sort&compress]{natbib}