diff --git a/Packages/Largest_empty_rect_2/doc_tex/Optimisation_ref/Largest_empty_iso_rectangle_2_ref.tex b/Packages/Largest_empty_rect_2/doc_tex/Optimisation_ref/Largest_empty_iso_rectangle_2_ref.tex
index 3ca191abbe1..3ecdc55d774 100644
--- a/Packages/Largest_empty_rect_2/doc_tex/Optimisation_ref/Largest_empty_iso_rectangle_2_ref.tex
+++ b/Packages/Largest_empty_rect_2/doc_tex/Optimisation_ref/Largest_empty_iso_rectangle_2_ref.tex
@@ -144,8 +144,7 @@ insertion or a removal is $O(\log n)$. A query takes $O(n^2)$ worst
 case time and $O(n \log n)$ expected time. The working storage is $
 O(n)$.
 
-\bibliography{Largest_empty_iso_rectangle_2}
-\bibliographystyle{abbrv}
+
 
 \end{ccRefClass}
 
diff --git a/Packages/Largest_empty_rect_2/doc_tex/basic/Optimisation_ref/Largest_empty_iso_rectangle_2_ref.tex b/Packages/Largest_empty_rect_2/doc_tex/basic/Optimisation_ref/Largest_empty_iso_rectangle_2_ref.tex
index 3ca191abbe1..3ecdc55d774 100644
--- a/Packages/Largest_empty_rect_2/doc_tex/basic/Optimisation_ref/Largest_empty_iso_rectangle_2_ref.tex
+++ b/Packages/Largest_empty_rect_2/doc_tex/basic/Optimisation_ref/Largest_empty_iso_rectangle_2_ref.tex
@@ -144,8 +144,7 @@ insertion or a removal is $O(\log n)$. A query takes $O(n^2)$ worst
 case time and $O(n \log n)$ expected time. The working storage is $
 O(n)$.
 
-\bibliography{Largest_empty_iso_rectangle_2}
-\bibliographystyle{abbrv}
+
 
 \end{ccRefClass}