diff --git a/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php b/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
index faa034945e941..0bd1f9049f67f 100644
--- a/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
+++ b/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php
@@ -107,7 +107,6 @@ public function process(ContainerBuilder $container)
             $container->getDefinition('twig.extension.expression')->addTag('twig.extension');
         }
 
-        $container->addResource(new ClassExistenceResource(Workflow::class));
         if (!class_exists(Workflow::class) || !$container->has('workflow.registry')) {
             $container->removeDefinition('workflow.twig_extension');
         } else {