diff --git a/Polynomial/doc/Polynomial/CGAL/polynomial_utils.h b/Polynomial/doc/Polynomial/CGAL/polynomial_utils.h
index 2fc219ffd44..fa60a32a8a1 100644
--- a/Polynomial/doc/Polynomial/CGAL/polynomial_utils.h
+++ b/Polynomial/doc/Polynomial/CGAL/polynomial_utils.h
@@ -494,8 +494,7 @@ For a sequence \f$ I:=(a_0,\ldots,a_n)\f$ of real numbers with \f$ a_0\neq 0\f$,
 \f[ C(I)=\ccSum{i=1}{s}\epsilon_i \f]
 where \f$ s\f$ is the number of subsequences of \f$ I\f$ of the form
 
-\image html underbrace.png
-\image latex underbrace.png
+\f[ (a,\underbrace{0, \dots,0}_{k},b) \f]
 
 with \f$ a\neq 0,b\neq 0, k\geq 0\f$.
 
@@ -546,8 +545,7 @@ For a sequence \f$ I:=(a_0,\ldots,a_n)\f$ of real numbers with \f$ a_0\neq 0\f$,
 \f[ C(I)=\ccSum{i=1}{s}\epsilon_i \f]
 where \f$ s\f$ is the number of subsequences of \f$ I\f$ of the form
 
-\image html underbrace.png
-\image latex underbrace.png
+\f[ (a,\underbrace{0, \dots,0}_{k},b) \f]
 
 with \f$ a\neq 0,b\neq 0, k\geq 0\f$.
 
diff --git a/Polynomial/doc/Polynomial/fig/underbrace.png b/Polynomial/doc/Polynomial/fig/underbrace.png
deleted file mode 100644
index 6c0065d4f89..00000000000
Binary files a/Polynomial/doc/Polynomial/fig/underbrace.png and /dev/null differ