diff --git a/admin/index.php b/admin/index.php
index 5d7f5c6..a722e1e 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -11,11 +11,6 @@ phpCAS::client(CAS_VERSION_2_0, "cas.insa-toulouse.fr", 443, 'cas', true);
 // on the CAS server and uncomment the line below
 // phpCAS::setCasServerCACert($cas_server_ca_cert_path);
 
-// For quick testing you can disable SSL validation of the CAS server.
-// THIS SETTING IS NOT RECOMMENDED FOR PRODUCTION.
-// VALIDATING THE CAS SERVER IS CRUCIAL TO THE SECURITY OF THE CAS PROTOCOL!
-phpCAS::setNoCasServerValidation();
-
 // force CAS authentication
 phpCAS::forceAuthentication();
 
diff --git a/photos.php b/photos.php
index da69573..108231d 100644
--- a/photos.php
+++ b/photos.php
@@ -252,7 +252,6 @@ function generatePath($path)
 require_once("phpCAS-1.3.6/CAS.php");
 
 phpCAS::client(CAS_VERSION_2_0, "cas.insa-toulouse.fr", 443, 'cas', true);
-phpCAS::setNoCasServerValidation();
 phpCAS::forceAuthentication();
 if (isset($_REQUEST['logout'])) {
         phpCAS::logout();