diff --git a/src/Symfony/Component/DependencyInjection/Compiler/CheckCircularReferencesPass.php b/src/Symfony/Component/DependencyInjection/Compiler/CheckCircularReferencesPass.php
index b6a898736f..11856b6cbc 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/CheckCircularReferencesPass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/CheckCircularReferencesPass.php
@@ -61,9 +61,8 @@ class CheckCircularReferencesPass implements CompilerPassInterface
 
             if (empty($this->checkedNodes[$id])) {
 
-                // * don't check circular dependencies in lazy services.
-                $isLazy = $node->getValue() && $node->getValue()->isLazy();
-                if (!$isLazy) {
+                // don't check circular dependencies for lazy services
+                if (!$node->getValue() && $node->getValue()->isLazy()) {
                     $searchKey = array_search($id, $this->currentPath);
                     $this->currentPath[] = $id;
 
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index bf5956b394..c4bfa93d2a 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -1294,9 +1294,9 @@ EOF;
 
                     $service = $this->container->getDefinition($argumentId);
 
-                    // if exists proxy dumper (proxy-manager) don't search references in lazy services.
-                    // As these services will be instantiated lazily and don't have direct related references.
-                    if ($service->isLazy() && !($this->getProxyDumper() instanceof NullDumper)) {
+                    // if the proxy manager is enabled, disable searching for references in lazy services,
+                    // as these services will be instantiated lazily and don't have direct related references.
+                    if ($service->isLazy() && !$this->getProxyDumper() instanceof NullDumper) {
                         continue;
                     }
 
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/classes.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/classes.php
index cdc89e42ab..0ecdea3fbf 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/classes.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/classes.php
@@ -82,25 +82,16 @@ class MethodCallClass
 
 class DummyProxyDumper implements ProxyDumper
 {
-    /**
-     * {@inheritdoc}
-     */
     public function isProxyCandidate(Definition $definition)
     {
         return false;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getProxyFactoryCode(Definition $definition, $id)
     {
         return '';
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getProxyCode(Definition $definition)
     {
         return '';