diff --git a/apps/maarch_entreprise/class/class_business_app_tools_Abstract.php b/apps/maarch_entreprise/class/class_business_app_tools_Abstract.php
index bc8398f5613b90d9a74ff986f0e54825f25ddd85..d7c0ee256e3dce9aacaf8656ba23e2bf6d063e82 100755
--- a/apps/maarch_entreprise/class/class_business_app_tools_Abstract.php
+++ b/apps/maarch_entreprise/class/class_business_app_tools_Abstract.php
@@ -111,7 +111,6 @@ abstract class business_app_tools_Abstract extends Database
             $_SESSION['config']['cookietime']          = (string) $config->CookieTime;
             $_SESSION['config']['ldap']                = (string) $config->ldap;
             $_SESSION['config']['userdefaultpassword'] = (string) $config->userdefaultpassword;
-            $_SESSION['config']['usePDO']              = (string) $config->usePDO;
             $_SESSION['config']['usePHPIDS']           = (string) $config->usePHPIDS;
             if (isset($config->showfooter)) {
                 $_SESSION['config']['showfooter'] = (string) $config->showfooter;
diff --git a/apps/maarch_entreprise/xml/config.xml.default b/apps/maarch_entreprise/xml/config.xml.default
index 2900852c027efb67610d490a1de74b1e9a863297..e2d3c2ece1409a8d110e7e62e9cb2422614576c8 100755
--- a/apps/maarch_entreprise/xml/config.xml.default
+++ b/apps/maarch_entreprise/xml/config.xml.default
@@ -20,7 +20,6 @@
         <CookieTime>20</CookieTime> <!-- minutes -->
         <ldap>false</ldap> <!-- if true, ldap authentification, see ldap xml config file -->
         <userdefaultpassword>maarch</userdefaultpassword> <!-- default user's password -->
-        <usePDO>false</usePDO>
         <usePHPIDS>true</usePHPIDS>
     </CONFIG>
     <CRYPT>
diff --git a/core/services/CoreConfig.php b/core/services/CoreConfig.php
index d4362369d384571ad860235e2b2c98fee7441067..a99d0506c7f0a1d23123eb3796ef0acaec7e2660 100755
--- a/core/services/CoreConfig.php
+++ b/core/services/CoreConfig.php
@@ -143,7 +143,6 @@ class Core_CoreConfig_Service {
             $_SESSION['config']['cookietime']          = (string) $config->CookieTime;
             $_SESSION['config']['ldap']                = (string) $config->ldap;
             $_SESSION['config']['userdefaultpassword'] = (string) $config->userdefaultpassword;
-            $_SESSION['config']['usePDO']              = (string) $config->usePDO;
             $_SESSION['config']['usePHPIDS']           = (string) $config->usePHPIDS;
             if (isset($config->showfooter)) {
                 $_SESSION['config']['showfooter'] = (string) $config->showfooter;