diff --git a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
index 5582d24c3a..aacab2c885 100644
--- a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
+++ b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
@@ -84,6 +84,7 @@ abstract class AbstractCloner implements ClonerInterface
         'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'],
         'Symfony\Component\VarDumper\Caster\TraceStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'],
         'Symfony\Component\VarDumper\Caster\FrameStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castFrameStub'],
+        'Symfony\Component\VarDumper\Cloner\AbstractCloner' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
         'Symfony\Component\Debug\Exception\SilencedErrorContext' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castSilencedErrorContext'],
 
         'ProxyManager\Proxy\ProxyInterface' => ['Symfony\Component\VarDumper\Caster\ProxyManagerCaster', 'castProxy'],
@@ -188,10 +189,7 @@ abstract class AbstractCloner implements ClonerInterface
     public function addCasters(array $casters)
     {
         foreach ($casters as $type => $callback) {
-            $closure = &$this->casters[$type][];
-            $closure = $callback instanceof \Closure ? $callback : static function (...$args) use ($callback, &$closure) {
-                return ($closure = \Closure::fromCallable($callback))(...$args);
-            };
+            $this->casters[$type][] = $callback;
         }
     }