diff --git a/lib/Alchemy/Phrasea/Core/Configuration/RegistryManipulator.php b/lib/Alchemy/Phrasea/Core/Configuration/RegistryManipulator.php
index 995347eb6a..027d26e591 100644
--- a/lib/Alchemy/Phrasea/Core/Configuration/RegistryManipulator.php
+++ b/lib/Alchemy/Phrasea/Core/Configuration/RegistryManipulator.php
@@ -123,19 +123,6 @@ class RegistryManipulator
                 'auto-select-collections' => true,
                 'auto-register-enabled' => false,
             ],
-            'classic' => [
-                'search-tab' => 1,
-                'adv-search-tab' => 2,
-                'topics-tab' => 0,
-                'active-tab' => 1,
-                'render-topics' => 'tree',
-                'stories-preview' => true,
-                'basket-rollover' => true,
-                'collection-presentation' => 'checkbox',
-                'basket-size-display' => true,
-                'auto-show-proposals' => true,
-                'collection-display' => true,
-            ],
             'maintenance' => [
                 'message' => 'The application is down for maintenance',
                 'enabled' => false,
diff --git a/lib/Alchemy/Phrasea/Form/Configuration/ClassicFormType.php b/lib/Alchemy/Phrasea/Form/Configuration/ClassicFormType.php
deleted file mode 100644
index 9175afc254..0000000000
--- a/lib/Alchemy/Phrasea/Form/Configuration/ClassicFormType.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-
-/*
- * This file is part of Phraseanet
- *
- * (c) 2005-2014 Alchemy
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Alchemy\Phrasea\Form\Configuration;
-
-use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\FormBuilderInterface;
-
-class ClassicFormType extends AbstractType
-{
-    public function buildForm(FormBuilderInterface $builder, array $options)
-    {
-        $builder->add('search-tab', 'integer', [
-            'label'        => 'Search tab position',
-        ]);
-        $builder->add('adv-search-tab', 'integer', [
-            'label'        => 'Advanced search tab position',
-        ]);
-        $builder->add('topics-tab', 'integer', [
-            'label'        => 'Topics tab position',
-        ]);
-        $builder->add('active-tab', 'integer', [
-            'label'        => 'Active tab position',
-        ]);
-
-        $builder->add('render-topics', 'choice', [
-            'label'        => 'Topics display mode',
-            'choices'      => ['tree' => 'Trees', 'popups' => 'Drop-down'],
-        ]);
-
-        $builder->add('stories-preview', 'checkbox', [
-            'label'        => 'Enable roll-over on stories',
-        ]);
-        $builder->add('basket-rollover', 'checkbox', [
-            'label'        => 'Enable roll-over on basket elements',
-        ]);
-
-        $builder->add('collection-presentation', 'choice', [
-            'label'        => 'Collections display mode',
-            'choices'      => ['popup' => 'Drop-down', 'checkbox' => 'Check-box'],
-        ]);
-
-        $builder->add('basket-size-display', 'checkbox', [
-            'label'        => 'Display the total size of the document basket',
-        ]);
-        $builder->add('auto-show-proposals', 'checkbox', [
-            'label'        => 'Display proposals tab',
-        ]);
-        $builder->add('collection-display', 'checkbox', [
-            'label'        => 'Display the name of databases and collections',
-        ]);
-    }
-
-    public function getName()
-    {
-        return null;
-    }
-}
diff --git a/lib/Alchemy/Phrasea/Form/Configuration/MainConfigurationFormType.php b/lib/Alchemy/Phrasea/Form/Configuration/MainConfigurationFormType.php
index 8f07117319..d16e09c2ad 100644
--- a/lib/Alchemy/Phrasea/Form/Configuration/MainConfigurationFormType.php
+++ b/lib/Alchemy/Phrasea/Form/Configuration/MainConfigurationFormType.php
@@ -44,9 +44,6 @@ class MainConfigurationFormType extends AbstractType
         $builder->add('registration', new RegistrationFormType(), [
             'label' => 'Registration',
         ]);
-        $builder->add('classic', new ClassicFormType(), [
-            'label' => 'Client',
-        ]);
         $builder->add('maintenance', new MaintenanceFormType(), [
             'label' => 'Maintenance state',
         ]);
diff --git a/tests/Alchemy/Tests/Phrasea/Form/Configuration/ClassicFormTypeTest.php b/tests/Alchemy/Tests/Phrasea/Form/Configuration/ClassicFormTypeTest.php
deleted file mode 100644
index 8c327e20d3..0000000000
--- a/tests/Alchemy/Tests/Phrasea/Form/Configuration/ClassicFormTypeTest.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-namespace Alchemy\Tests\Phrasea\Form\Configuration;
-
-use Alchemy\Phrasea\Form\Configuration\ClassicFormType;
-use Alchemy\Tests\Phrasea\Form\FormTestCase;
-
-/**
- * @group functional
- * @group legacy
- */
-class ClassicFormTypeTest extends FormTestCase
-{
-    public function getForm()
-    {
-        return new ClassicFormType();
-    }
-}