diff --git a/composer.json b/composer.json
index 6ac76508a6..4df120ba25 100644
--- a/composer.json
+++ b/composer.json
@@ -63,7 +63,7 @@
         "doctrine/data-fixtures"           : "1.0.x@dev",
         "phpunit/phpunit"                  : "~3.7",
         "behat/behat"                      : "~2.4",
-        "behat/mink"                       : "~1.4",
+        "behat/mink"                      : "~1.4",
         "behat/mink-extension"             : "~1.0",
         "behat/mink-goutte-driver"         : "~1.0",
         "behat/mink-selenium2-driver"      : "~1.0",
diff --git a/lib/Alchemy/Phrasea/Controller/Client/Root.php b/lib/Alchemy/Phrasea/Controller/Client/Root.php
index 7bf641770e..2ef659f89e 100644
--- a/lib/Alchemy/Phrasea/Controller/Client/Root.php
+++ b/lib/Alchemy/Phrasea/Controller/Client/Root.php
@@ -27,6 +27,17 @@ class Root implements ControllerProviderInterface
         $controllers = $app['controllers_factory'];
 
         $controllers->before(function (Request $request) use ($app) {
+            /**
+             * /!\/!\/!\/!\/!\/!\/!\/!\/!\
+             *
+             * Client is not longer used
+             *
+             * Redirect to production with a nice message
+             */
+            $app['session']->getFlashBag()->add('client_deprecated');
+
+            return $app->redirectPath('prod');
+
             if (!$app['authentication']->isAuthenticated() && null !== $request->query->get('nolog')) {
                 return $app->redirectPath('login_authenticate_as_guest', array('redirect' => 'client'));
             }
diff --git a/templates/web/common/menubar.html.twig b/templates/web/common/menubar.html.twig
index 68bd021006..a9b2255dd4 100644
--- a/templates/web/common/menubar.html.twig
+++ b/templates/web/common/menubar.html.twig
@@ -8,29 +8,11 @@
         </li>
         {% if module != "lightbox" and app['authentication'].isAuthenticated() %}
           <li>
-            {% if module == "prod" %}
-              <a target="_self" href="{{ path('get_client') }}">
+              <a target="_blank" href="{{ path('prod') }}">
                 <span class="">
-                  {% trans 'admin::monitor: Ancienne version (client)' %}
+                  {% trans 'admin::monitor: production' %}
                 </span>
               </a>
-            {% else %}
-              {% if app['browser'].isNewGeneration %}
-                {% if module == "client" %}
-                  <a target="_self" href="{{ path('prod') }}">
-                    <span class="">
-                      {% trans 'admin::monitor: Nouvelle version (prod)' %}
-                    </span>
-                  </a>
-                {% else %}
-                  <a target="_blank" href="{{ path('prod') }}">
-                    <span class="">
-                      {% trans 'admin::monitor: production' %}
-                    </span>
-                  </a>
-                {% endif %}
-              {% endif %}
-            {% endif %}
           </li>
 
           {% if app['browser'].isNewGeneration and app['phraseanet.registry'].get('GV_thesaurus') == true and app['authentication'].getUser().ACL.has_access_to_module('thesaurus') %}
@@ -95,7 +77,7 @@
           {% endif %}
 
           {# MODULE #}
-          {% if module == "prod" or module == "client" %}
+          {% if module == "prod" %}
           <li>
             <a href="#" onclick="getHome('PUBLI');" >
               <span>
@@ -122,7 +104,7 @@
     <div class="PNB" style="left:auto;overflow:hidden;">
       <ol>
 
-    {% if app['authentication'].isAuthenticated()  and (module == "client" or module == "prod") %}
+    {% if app['authentication'].isAuthenticated()  and module == "prod" %}
         <li id="notification_trigger">
           <a href="#" style="font-weight:bold;text-decoration:none;">
             <span>
@@ -192,7 +174,7 @@
     </div>
 </div>
 
- {% if app['authentication'].isAuthenticated()  and (module == "client" or module == "prod") %}
+ {% if app['authentication'].isAuthenticated()  and module == "prod" %}
     <div style="display:none;z-index:30000;" id="notification_box">
         {% set notifications = app['events-manager'].get_notifications %}
         {% include 'prod/notifications.html.twig' %}
diff --git a/templates/web/prod/index.html.twig b/templates/web/prod/index.html.twig
index 82d0d59859..0132e12d8d 100644
--- a/templates/web/prod/index.html.twig
+++ b/templates/web/prod/index.html.twig
@@ -119,6 +119,20 @@
     </div>
 
     <div id="desktop" class="PNB" style="overflow:hidden;">
+        {% if app.flash('client_deprecated') %}
+            <div id="clientModal" class="modal hide fade"   >
+                <div class="modal-header">
+                    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
+                    <h3>{{ 'Client application is deprecated'|trans }}</h3>
+                </div>
+                <div class="modal-body">
+                    <p>{{ 'You have been redirected to production application.'|trans }}</p>
+                </div>
+            </div>
+            <script type="text/javascript">
+                $('#clientModal').modal();
+            </script>
+        {% endif %}
         {% set ratio = app['authentication'].getUser().getPrefs('search_window') %}
         {% if ratio == 0 %}
             {% set ratio = '0.333' %}
diff --git a/tests/Alchemy/Tests/Phrasea/Controller/Client/RootTest.php b/tests/Alchemy/Tests/Phrasea/Controller/Client/RootTest.php
index 0ee6efcd7c..c343938067 100644
--- a/tests/Alchemy/Tests/Phrasea/Controller/Client/RootTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Controller/Client/RootTest.php
@@ -2,8 +2,6 @@
 
 namespace Alchemy\Tests\Phrasea\Controller\Client;
 
-use Alchemy\Phrasea\SearchEngine\SearchEngineOptions;
-
 class RootTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
 {
     protected $client;
@@ -25,57 +23,6 @@ class RootTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
     {
         $this->authenticate(self::$DI['app']);
         self::$DI['client']->request("GET", "/client/");
-        $this->assertTrue(self::$DI['client']->getResponse()->isOk());
-    }
-
-    /**
-     * @covers Alchemy\Phrasea\Controller\Client\Root::getClientLanguage
-     */
-    public function testGetLanguage()
-    {
-        self::$DI['client']->request("GET", "/client/language/");
-        $this->assertTrue(self::$DI['client']->getResponse()->isOk());
-    }
-
-    /**
-     * @covers Alchemy\Phrasea\Controller\Client\Root::getClientPublications
-     */
-    public function testGetPublications()
-    {
-        self::$DI['client']->request("GET", "/client/publications/");
-        $this->assertTrue(self::$DI['client']->getResponse()->isOk());
-    }
-
-    /**
-     * @covers Alchemy\Phrasea\Controller\Client\Root::getClientHelp
-     */
-    public function testGetClientHelp()
-    {
-        self::$DI['client']->request("GET", "/client/help/");
-        $this->assertTrue(self::$DI['client']->getResponse()->isOk());
-    }
-
-    /**
-     * @covers Alchemy\Phrasea\Controller\Client\Root::query
-     * @covers Alchemy\Phrasea\Controller\Client\Root::buildQueryFromRequest
-     */
-    public function testExecuteQuery()
-    {
-        $queryParameters = array();
-        $queryParameters["mod"] = self::$DI['user']->getPrefs('client_view') ? : '3X6';
-        $queryParameters["bas"] = array_keys(self::$DI['user']->ACL()->get_granted_base());
-        $queryParameters["qry"] = self::$DI['user']->getPrefs('start_page_query') ? : 'all';
-        $queryParameters["pag"] = 0;
-        $queryParameters["search_type"] = SearchEngineOptions::RECORD_RECORD;
-        $queryParameters["qryAdv"] = '';
-        $queryParameters["opAdv"] = array();
-        $queryParameters["status"] = array();
-        $queryParameters["recordtype"] = SearchEngineOptions::TYPE_ALL;
-        $queryParameters["sort"] = self::$DI['app']['phraseanet.registry']->get('GV_phrasea_sort', '');
-        $queryParameters["infield"] = array();
-        $queryParameters["ord"] = SearchEngineOptions::SORT_MODE_DESC;
-
-        self::$DI['client']->request("POST", "/client/query/", $queryParameters);
-        $this->assertTrue(self::$DI['client']->getResponse()->isOk());
+        $this->assertTrue(self::$DI['client']->getResponse()->isRedirect());
     }
 }
diff --git a/www/skins/prod/000000/prodcolor.css b/www/skins/prod/000000/prodcolor.css
index f54b6b8eb8..4141df63de 100644
--- a/www/skins/prod/000000/prodcolor.css
+++ b/www/skins/prod/000000/prodcolor.css
@@ -4253,3 +4253,11 @@ ui-dialog-titlebar {
     position: relative;
     float: left;
 }
+
+#clientModal,  #clientModal .modal-footer {
+    background-color: #404040;
+}
+
+#clientModal .close {
+    color: #fff;
+}
diff --git a/www/skins/prod/959595/prodcolor.css b/www/skins/prod/959595/prodcolor.css
index 94aa87bb55..7b3eab5a5a 100644
--- a/www/skins/prod/959595/prodcolor.css
+++ b/www/skins/prod/959595/prodcolor.css
@@ -4376,3 +4376,12 @@ ui-dialog-titlebar {
     position: relative;
     float: left;
 }
+
+#clientModal,  #clientModal .modal-footer {
+    background-color: #999999;
+    color: #fff;
+}
+
+#clientModal .close {
+    color: #404040;
+}