diff --git a/src/Symfony/Component/Serializer/Mapping/Loader/AnnotationLoader.php b/src/Symfony/Component/Serializer/Mapping/Loader/AnnotationLoader.php
index 82bd3b792c822..0137575cd9445 100644
--- a/src/Symfony/Component/Serializer/Mapping/Loader/AnnotationLoader.php
+++ b/src/Symfony/Component/Serializer/Mapping/Loader/AnnotationLoader.php
@@ -106,7 +106,7 @@ public function loadClassMetadata(ClassMetadataInterface $classMetadata)
 
             $accessorOrMutator = preg_match('/^(get|is|has|set)(.+)$/i', $method->name, $matches);
             if ($accessorOrMutator) {
-                $attributeName = $reflectionClass->hasProperty($method->name) ? $method->name : lcfirst($matches[2]);
+                $attributeName = lcfirst($matches[2]);
 
                 if (isset($attributesMetadata[$attributeName])) {
                     $attributeMetadata = $attributesMetadata[$attributeName];
diff --git a/src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
index 434b53a87f1dc..a1ab11177482e 100644
--- a/src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/ObjectNormalizer.php
@@ -95,25 +95,17 @@ protected function extractAttributes(object $object, ?string $format = null, arr
 
             if (str_starts_with($name, 'get') || str_starts_with($name, 'has')) {
                 // getters and hassers
-                $attributeName = $name;
+                $attributeName = substr($name, 3);
 
                 if (!$reflClass->hasProperty($attributeName)) {
-                    $attributeName = substr($attributeName, 3);
-
-                    if (!$reflClass->hasProperty($attributeName)) {
-                        $attributeName = lcfirst($attributeName);
-                    }
+                    $attributeName = lcfirst($attributeName);
                 }
             } elseif (str_starts_with($name, 'is')) {
                 // issers
-                $attributeName = $name;
+                $attributeName = substr($name, 2);
 
                 if (!$reflClass->hasProperty($attributeName)) {
-                    $attributeName = substr($attributeName, 2);
-
-                    if (!$reflClass->hasProperty($attributeName)) {
-                        $attributeName = lcfirst($attributeName);
-                    }
+                    $attributeName = lcfirst($attributeName);
                 }
             }
 
diff --git a/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodDummy.php b/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodDummy.php
deleted file mode 100644
index 89c8fcb9c399c..0000000000000
--- a/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodDummy.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Serializer\Tests\Fixtures;
-
-class SamePropertyAsMethodDummy
-{
-    private $freeTrial;
-    private $hasSubscribe;
-    private $getReady;
-    private $isActive;
-
-    public function __construct($freeTrial, $hasSubscribe, $getReady, $isActive)
-    {
-        $this->freeTrial = $freeTrial;
-        $this->hasSubscribe = $hasSubscribe;
-        $this->getReady = $getReady;
-        $this->isActive = $isActive;
-    }
-
-    public function getFreeTrial()
-    {
-        return $this->freeTrial;
-    }
-
-    public function hasSubscribe()
-    {
-        return $this->hasSubscribe;
-    }
-
-    public function getReady()
-    {
-        return $this->getReady;
-    }
-
-    public function isActive()
-    {
-        return $this->isActive;
-    }
-}
diff --git a/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodWithMethodSerializedNameDummy.php b/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodWithMethodSerializedNameDummy.php
deleted file mode 100644
index b4cf205fd57c8..0000000000000
--- a/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodWithMethodSerializedNameDummy.php
+++ /dev/null
@@ -1,62 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Serializer\Tests\Fixtures;
-
-use Symfony\Component\Serializer\Annotation\SerializedName;
-
-class SamePropertyAsMethodWithMethodSerializedNameDummy
-{
-    private $freeTrial;
-    private $hasSubscribe;
-    private $getReady;
-    private $isActive;
-
-    public function __construct($freeTrial, $hasSubscribe, $getReady, $isActive)
-    {
-        $this->freeTrial = $freeTrial;
-        $this->hasSubscribe = $hasSubscribe;
-        $this->getReady = $getReady;
-        $this->isActive = $isActive;
-    }
-
-    /**
-     * @SerializedName("free_trial_method")
-     */
-    public function getFreeTrial()
-    {
-        return $this->freeTrial;
-    }
-
-    /**
-     * @SerializedName("has_subscribe_method")
-     */
-    public function hasSubscribe()
-    {
-        return $this->hasSubscribe;
-    }
-
-    /**
-     * @SerializedName("get_ready_method")
-     */
-    public function getReady()
-    {
-        return $this->getReady;
-    }
-
-    /**
-     * @SerializedName("is_active_method")
-     */
-    public function isActive()
-    {
-        return $this->isActive;
-    }
-}
diff --git a/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodWithPropertySerializedNameDummy.php b/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodWithPropertySerializedNameDummy.php
deleted file mode 100644
index 04dc64a3c71c0..0000000000000
--- a/src/Symfony/Component/Serializer/Tests/Fixtures/SamePropertyAsMethodWithPropertySerializedNameDummy.php
+++ /dev/null
@@ -1,65 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Serializer\Tests\Fixtures;
-
-use Symfony\Component\Serializer\Annotation\SerializedName;
-
-class SamePropertyAsMethodWithPropertySerializedNameDummy
-{
-    /**
-     * @SerializedName("free_trial_property")
-     */
-    private $freeTrial;
-
-    /**
-     * @SerializedName("has_subscribe_property")
-     */
-    private $hasSubscribe;
-
-    /**
-     * @SerializedName("get_ready_property")
-     */
-    private $getReady;
-
-    /**
-     * @SerializedName("is_active_property")
-     */
-    private $isActive;
-
-    public function __construct($freeTrial, $hasSubscribe, $getReady, $isActive)
-    {
-        $this->freeTrial = $freeTrial;
-        $this->hasSubscribe = $hasSubscribe;
-        $this->getReady = $getReady;
-        $this->isActive = $isActive;
-    }
-
-    public function getFreeTrial()
-    {
-        return $this->freeTrial;
-    }
-
-    public function hasSubscribe()
-    {
-        return $this->hasSubscribe;
-    }
-
-    public function getReady()
-    {
-        return $this->getReady;
-    }
-
-    public function isActive()
-    {
-        return $this->isActive;
-    }
-}
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php b/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
index f3ac1ef841c62..830817b8b673b 100644
--- a/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/ObjectNormalizerTest.php
@@ -41,9 +41,6 @@
 use Symfony\Component\Serializer\Tests\Fixtures\Php74Dummy;
 use Symfony\Component\Serializer\Tests\Fixtures\Php74DummyPrivate;
 use Symfony\Component\Serializer\Tests\Fixtures\Php80Dummy;
-use Symfony\Component\Serializer\Tests\Fixtures\SamePropertyAsMethodDummy;
-use Symfony\Component\Serializer\Tests\Fixtures\SamePropertyAsMethodWithMethodSerializedNameDummy;
-use Symfony\Component\Serializer\Tests\Fixtures\SamePropertyAsMethodWithPropertySerializedNameDummy;
 use Symfony\Component\Serializer\Tests\Fixtures\SiblingHolder;
 use Symfony\Component\Serializer\Tests\Normalizer\Features\AttributesTestTrait;
 use Symfony\Component\Serializer\Tests\Normalizer\Features\CacheableObjectAttributesTestTrait;
@@ -874,53 +871,6 @@ public function testNormalizeStdClass()
         $this->assertSame(['baz' => 'baz'], $this->normalizer->normalize($o2));
     }
 
-    public function testSamePropertyAsMethod()
-    {
-        $object = new SamePropertyAsMethodDummy('free_trial', 'has_subscribe', 'get_ready', 'is_active');
-        $expected = [
-            'freeTrial' => 'free_trial',
-            'hasSubscribe' => 'has_subscribe',
-            'getReady' => 'get_ready',
-            'isActive' => 'is_active',
-        ];
-
-        $this->assertSame($expected, $this->normalizer->normalize($object));
-    }
-
-    public function testSamePropertyAsMethodWithPropertySerializedName()
-    {
-        $classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));
-        $this->normalizer = new ObjectNormalizer($classMetadataFactory, new MetadataAwareNameConverter($classMetadataFactory));
-        $this->normalizer->setSerializer($this->serializer);
-
-        $object = new SamePropertyAsMethodWithPropertySerializedNameDummy('free_trial', 'has_subscribe', 'get_ready', 'is_active');
-        $expected = [
-            'free_trial_property' => 'free_trial',
-            'has_subscribe_property' => 'has_subscribe',
-            'get_ready_property' => 'get_ready',
-            'is_active_property' => 'is_active',
-        ];
-
-        $this->assertSame($expected, $this->normalizer->normalize($object));
-    }
-
-    public function testSamePropertyAsMethodWithMethodSerializedName()
-    {
-        $classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));
-        $this->normalizer = new ObjectNormalizer($classMetadataFactory, new MetadataAwareNameConverter($classMetadataFactory));
-        $this->normalizer->setSerializer($this->serializer);
-
-        $object = new SamePropertyAsMethodWithMethodSerializedNameDummy('free_trial', 'has_subscribe', 'get_ready', 'is_active');
-        $expected = [
-            'free_trial_method' => 'free_trial',
-            'has_subscribe_method' => 'has_subscribe',
-            'get_ready_method' => 'get_ready',
-            'is_active_method' => 'is_active',
-        ];
-
-        $this->assertSame($expected, $this->normalizer->normalize($object));
-    }
-
     public function testNormalizeWithIgnoreAnnotationAndPrivateProperties()
     {
         $classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));

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