diff --git a/src/Symfony/Component/Console/Tests/Descriptor/AbstractDescriptorTest.php b/src/Symfony/Component/Console/Tests/Descriptor/AbstractDescriptorTest.php
index c437a8120b..296efed5c0 100644
--- a/src/Symfony/Component/Console/Tests/Descriptor/AbstractDescriptorTest.php
+++ b/src/Symfony/Component/Console/Tests/Descriptor/AbstractDescriptorTest.php
@@ -21,31 +21,31 @@ use Symfony\Component\Console\Input\InputOption;
 abstract class AbstractDescriptorTest extends \PHPUnit_Framework_TestCase
 {
     /** @dataProvider getDescribeInputArgumentTestData */
-    public function testDescribeInputArgument(DescriptorInterface $descriptor, InputArgument $argument, $expectedDescription)
+    public function testDescribeInputArgument(InputArgument $argument, $expectedDescription)
     {
-        $this->assertEquals(trim($expectedDescription), trim($descriptor->describe($argument)));
+        $this->assertEquals(trim($expectedDescription), trim($this->getDescriptor()->describe($argument)));
     }
 
     /** @dataProvider getDescribeInputOptionTestData */
-    public function testDescribeInputOption(DescriptorInterface $descriptor, InputOption $option, $expectedDescription)
+    public function testDescribeInputOption(InputOption $option, $expectedDescription)
     {
-        $this->assertEquals(trim($expectedDescription), trim($descriptor->describe($option)));
+        $this->assertEquals(trim($expectedDescription), trim($this->getDescriptor()->describe($option)));
     }
 
     /** @dataProvider getDescribeInputDefinitionTestData */
-    public function testDescribeInputDefinition(DescriptorInterface $descriptor, InputDefinition $definition, $expectedDescription)
+    public function testDescribeInputDefinition(InputDefinition $definition, $expectedDescription)
     {
-        $this->assertEquals(trim($expectedDescription), trim($descriptor->describe($definition)));
+        $this->assertEquals(trim($expectedDescription), trim($this->getDescriptor()->describe($definition)));
     }
 
     /** @dataProvider getDescribeCommandTestData */
-    public function testDescribeCommand(DescriptorInterface $descriptor, Command $command, $expectedDescription)
+    public function testDescribeCommand(Command $command, $expectedDescription)
     {
-        $this->assertEquals(trim($expectedDescription), trim($descriptor->describe($command)));
+        $this->assertEquals(trim($expectedDescription), trim($this->getDescriptor()->describe($command)));
     }
 
     /** @dataProvider getDescribeApplicationTestData */
-    public function testDescribeApplication(DescriptorInterface $descriptor, Application $application, $expectedDescription)
+    public function testDescribeApplication(Application $application, $expectedDescription)
     {
         // Replaces the dynamic placeholders of the command help text with a static version.
         // The placeholder %command.full_name% includes the script path that is not predictable
@@ -54,7 +54,7 @@ abstract class AbstractDescriptorTest extends \PHPUnit_Framework_TestCase
             $command->setHelp(str_replace('%command.full_name%', 'app/console %command.name%', $command->getHelp()));
         }
 
-        $this->assertEquals(trim($expectedDescription), trim(str_replace(PHP_EOL, "\n", $descriptor->describe($application))));
+        $this->assertEquals(trim($expectedDescription), trim(str_replace(PHP_EOL, "\n", $this->getDescriptor()->describe($application))));
     }
 
     public function getDescribeInputArgumentTestData()
@@ -90,7 +90,7 @@ abstract class AbstractDescriptorTest extends \PHPUnit_Framework_TestCase
         $data = array();
         foreach ($objects as $name => $object) {
             $description = file_get_contents(sprintf('%s/../Fixtures/%s.%s', __DIR__, $name, $this->getFormat()));
-            $data[] = array($this->getDescriptor(), $object, $description);
+            $data[] = array($object, $description);
         }
 
         return $data;