diff --git a/test/php/application/forms/Config/UserBackend/DbBackendFormTest.php b/test/php/application/forms/Config/UserBackend/DbBackendFormTest.php
deleted file mode 100644
index cc6919c93..000000000
--- a/test/php/application/forms/Config/UserBackend/DbBackendFormTest.php
+++ /dev/null
@@ -1,104 +0,0 @@
-<?php
-/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
-
-namespace Tests\Icinga\Forms\Config\UserBackend;
-
-// Necessary as some of these tests disable phpunit's preservation
-// of the global state (e.g. autoloaders are in the global state)
-require_once realpath(dirname(__FILE__) . '/../../../../bootstrap.php');
-
-use Mockery;
-use Icinga\Data\ConfigObject;
-use Icinga\Test\BaseTestCase;
-use Icinga\Forms\Config\UserBackend\DbBackendForm;
-
-class DbBackendFormTest extends BaseTestCase
-{
-    public function tearDown()
-    {
-        parent::tearDown();
-        Mockery::close(); // Necessary because some tests run in a separate process
-    }
-
-    /**
-     * @runInSeparateProcess
-     * @preserveGlobalState disabled
-     */
-    public function testValidBackendIsValid()
-    {
-        $this->setUpResourceFactoryMock();
-        Mockery::mock('overload:Icinga\Authentication\User\DbUserBackend')
-            ->shouldReceive('inspect')
-            ->andReturn(self::createInspector(false));
-
-        // Passing array(null) is required to make Mockery call the constructor...
-        $form = Mockery::mock('Icinga\Forms\Config\UserBackend\DbBackendForm[getView]', array(null));
-        $form->shouldReceive('getView->escape')
-            ->with(Mockery::type('string'))
-            ->andReturnUsing(function ($s) {
-                return $s;
-            });
-        $form->setTokenDisabled();
-        $form->setResources(array('test_db_backend'));
-        $form->populate(array('resource' => 'test_db_backend'));
-
-        $this->assertTrue(
-            DbBackendForm::isValidUserBackend($form),
-            'DbBackendForm claims that a valid user backend with users is not valid'
-        );
-    }
-
-    /**
-     * @runInSeparateProcess
-     * @preserveGlobalState disabled
-     */
-    public function testInvalidBackendIsNotValid()
-    {
-        $this->setUpResourceFactoryMock();
-        Mockery::mock('overload:Icinga\Authentication\User\DbUserBackend')
-            ->shouldReceive('inspect')
-            ->andReturn(self::createInspector(true));
-
-        // Passing array(null) is required to make Mockery call the constructor...
-        $form = Mockery::mock('Icinga\Forms\Config\UserBackend\DbBackendForm[getView]', array(null));
-        $form->shouldReceive('getView->escape')
-            ->with(Mockery::type('string'))
-            ->andReturnUsing(function ($s) {
-                return $s;
-            });
-        $form->setTokenDisabled();
-        $form->setResources(array('test_db_backend'));
-        $form->populate(array('resource' => 'test_db_backend'));
-
-        $this->assertFalse(
-            DbBackendForm::isValidUserBackend($form),
-            'DbBackendForm claims that an invalid user backend without users is valid'
-        );
-    }
-
-    protected function setUpResourceFactoryMock()
-    {
-        Mockery::mock('alias:Icinga\Data\ResourceFactory')
-            ->shouldReceive('createResource')
-            ->andReturn(Mockery::mock('Icinga\Data\Db\DbConnection'))
-            ->shouldReceive('getResourceConfig')
-            ->andReturn(new ConfigObject());
-    }
-
-    public static function createInspector($error = false, $log = array('log'))
-    {
-        if (! $error) {
-            $calls = array(
-                'hasError' => false,
-                'toArray' => $log
-            );
-        } else {
-            $calls = array(
-                'hasError' => true,
-                'getError' => 'Error',
-                'toArray' => $log
-            );
-        }
-        return Mockery::mock('Icinga\Data\Inspection', $calls);
-    }
-}