diff --git a/CoursC.tex b/CoursC.tex
index 84f696e..8a43b8b 100644
--- a/CoursC.tex
+++ b/CoursC.tex
@@ -14,8 +14,8 @@
 %\usecolortheme{whale}
 
 \title{Le Langage C}
-\author{Florian Maury}
-\institute{3IL}
+\author{Collaborative work}
+\institute{*}
 
 %suppression de la barre de navigation
 \setbeamertemplate{navigation symbols}{}
@@ -36,21 +36,6 @@
 
 \begin{frame}
   \titlepage
-  \vspace{0.5cm}
-  \par
-  {\footnotesize\begin{center}
-    \par
-    \href{http://www.twitter.com/X\_Cli}{\textcolor{blue}{\underline{Twitter}}}
-    \vspace{0.2cm}
-    \par
-    \href{http://www.identi.ca/ixtli}{\textcolor{blue}{\underline{Status.net}}}
-    \vspace{0.2cm}
-    \par
-    \href{mailto:coursc@x-cli.com}{\textcolor{blue}{\underline{Email}}}
-    \vspace{0.2cm}
-    \par
-    \href{svn://c.svn.x-cli.com/ccourse}{\textcolor{blue}{\underline{Sources}}}
-  \end{center}}
 \end{frame}
 
 \begin{frame}