diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Command/CacheClearCommand/Fixture/TestAppKernel.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Command/CacheClearCommand/Fixture/TestAppKernel.php
index 8a61d96d36..18ea12ee30 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Command/CacheClearCommand/Fixture/TestAppKernel.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Command/CacheClearCommand/Fixture/TestAppKernel.php
@@ -11,8 +11,10 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Command\CacheClearCommand\Fixture;
 
+use Psr\Log\NullLogger;
 use Symfony\Bundle\FrameworkBundle\FrameworkBundle;
 use Symfony\Component\Config\Loader\LoaderInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\HttpKernel\Kernel;
 
 class TestAppKernel extends Kernel
@@ -33,4 +35,9 @@ class TestAppKernel extends Kernel
     {
         $loader->load(__DIR__.DIRECTORY_SEPARATOR.'config.yml');
     }
+
+    protected function build(ContainerBuilder $container)
+    {
+        $container->register('logger', NullLogger::class);
+    }
 }
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/AppKernel.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/AppKernel.php
index 58fb963855..e239bb5331 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/AppKernel.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/AppKernel.php
@@ -11,7 +11,9 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\app;
 
+use Psr\Log\NullLogger;
 use Symfony\Component\Config\Loader\LoaderInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\HttpKernel\Kernel;
 
@@ -72,6 +74,11 @@ class AppKernel extends Kernel
         $loader->load($this->rootConfig);
     }
 
+    protected function build(ContainerBuilder $container)
+    {
+        $container->register('logger', NullLogger::class);
+    }
+
     public function serialize()
     {
         return serialize(array($this->varDir, $this->testCase, $this->rootConfig, $this->getEnvironment(), $this->isDebug()));
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Kernel/ConcreteMicroKernel.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Kernel/ConcreteMicroKernel.php
index f476945f3d..1994778095 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Kernel/ConcreteMicroKernel.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Kernel/ConcreteMicroKernel.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Kernel;
 
+use Psr\Log\NullLogger;
 use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
 use Symfony\Bundle\FrameworkBundle\FrameworkBundle;
 use Symfony\Component\Config\Loader\LoaderInterface;
@@ -77,6 +78,7 @@ class ConcreteMicroKernel extends Kernel implements EventSubscriberInterface
 
     protected function configureContainer(ContainerBuilder $c, LoaderInterface $loader)
     {
+        $c->register('logger', NullLogger::class);
         $c->loadFromExtension('framework', array(
             'secret' => '$ecret',
         ));