diff --git a/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php b/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
index f175d341e7..339529e519 100644
--- a/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
+++ b/src/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
@@ -138,11 +138,6 @@ abstract class AnnotationClassLoader implements LoaderInterface
         }
 
         $defaults = array_replace($globals['defaults'], $annot->getDefaults());
-        foreach ($method->getParameters() as $param) {
-            if (!isset($defaults[$param->getName()]) && $param->isDefaultValueAvailable()) {
-                $defaults[$param->getName()] = $param->getDefaultValue();
-            }
-        }
         $requirements = array_replace($globals['requirements'], $annot->getRequirements());
         $options = array_replace($globals['options'], $annot->getOptions());
         $schemes = array_merge($globals['schemes'], $annot->getSchemes());
diff --git a/src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php b/src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php
index 83bf7108fb..44229633b5 100644
--- a/src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php
+++ b/src/Symfony/Component/Routing/Tests/Loader/AnnotationClassLoaderTest.php
@@ -136,11 +136,10 @@ class AnnotationClassLoaderTest extends AbstractAnnotationLoaderTest
             array_intersect_assoc($routeData['options'], $route->getOptions()),
             '->load preserves options annotation'
         );
-        $defaults = array_replace($methodArgs, $routeData['defaults']);
         $this->assertCount(
-            count($defaults),
-            array_intersect_assoc($defaults, $route->getDefaults()),
-            '->load preserves defaults annotation and merges them with default arguments in method signature'
+            count($routeData['defaults']),
+            $route->getDefaults(),
+            '->load preserves defaults annotation'
         );
         $this->assertEquals($routeData['schemes'], $route->getSchemes(), '->load preserves schemes annotation');
         $this->assertEquals($routeData['methods'], $route->getMethods(), '->load preserves methods annotation');