diff --git a/src/Symfony/Component/Form/Test/FormIntegrationTestCase.php b/src/Symfony/Component/Form/Test/FormIntegrationTestCase.php
index cded5dbb540e8..b50d943779190 100644
--- a/src/Symfony/Component/Form/Test/FormIntegrationTestCase.php
+++ b/src/Symfony/Component/Form/Test/FormIntegrationTestCase.php
@@ -27,7 +27,7 @@ abstract class FormIntegrationTestCase extends TestCase
      */
     protected $factory;
 
-    protected function doSetUp()
+    private function doSetUp()
     {
         $this->factory = Forms::createFormFactoryBuilder()
             ->addExtensions($this->getExtensions())
diff --git a/src/Symfony/Component/Form/Test/TestCaseSetUpTearDownTrait.php b/src/Symfony/Component/Form/Test/TestCaseSetUpTearDownTrait.php
index 0a88f80b2ca8a..279755f75867b 100644
--- a/src/Symfony/Component/Form/Test/TestCaseSetUpTearDownTrait.php
+++ b/src/Symfony/Component/Form/Test/TestCaseSetUpTearDownTrait.php
@@ -24,11 +24,11 @@
      */
     trait TestCaseSetUpTearDownTrait
     {
-        protected function doSetUp(): void
+        private function doSetUp(): void
         {
         }
 
-        protected function doTearDown(): void
+        private function doTearDown(): void
         {
         }
     
@@ -52,14 +52,14 @@ trait TestCaseSetUpTearDownTrait
         /**
          * @return void
          */
-        protected function doSetUp()
+        private function doSetUp()
         {
         }
 
         /**
          * @return void
          */
-        protected function doTearDown()
+        private function doTearDown()
         {
         }
 
diff --git a/src/Symfony/Component/Form/Test/TypeTestCase.php b/src/Symfony/Component/Form/Test/TypeTestCase.php
index 23e0d7f518749..19fb5c32a0739 100644
--- a/src/Symfony/Component/Form/Test/TypeTestCase.php
+++ b/src/Symfony/Component/Form/Test/TypeTestCase.php
@@ -29,7 +29,7 @@ abstract class TypeTestCase extends FormIntegrationTestCase
      */
     protected $dispatcher;
 
-    protected function doSetUp()
+    private function doSetUp()
     {
         parent::setUp();
 
@@ -37,7 +37,7 @@ protected function doSetUp()
         $this->builder = new FormBuilder('', null, $this->dispatcher, $this->factory);
     }
 
-    protected function doTearDown()
+    private function doTearDown()
     {
         if (\in_array(ValidatorExtensionTrait::class, class_uses($this))) {
             $this->validator = null;
diff --git a/src/Symfony/Component/Validator/Test/ConstraintValidatorTestCase.php b/src/Symfony/Component/Validator/Test/ConstraintValidatorTestCase.php
index 08b8bd7a54089..f07adb94238f5 100644
--- a/src/Symfony/Component/Validator/Test/ConstraintValidatorTestCase.php
+++ b/src/Symfony/Component/Validator/Test/ConstraintValidatorTestCase.php
@@ -50,7 +50,7 @@ abstract class ConstraintValidatorTestCase extends TestCase
     protected $constraint;
     protected $defaultTimezone;
 
-    protected function doSetUp()
+    private function doSetUp()
     {
         $this->group = 'MyGroup';
         $this->metadata = null;
@@ -72,7 +72,7 @@ protected function doSetUp()
         $this->setDefaultTimezone('UTC');
     }
 
-    protected function doTearDown()
+    private function doTearDown()
     {
         $this->restoreDefaultTimezone();
     }
diff --git a/src/Symfony/Component/Validator/Test/TestCaseSetUpTearDownTrait.php b/src/Symfony/Component/Validator/Test/TestCaseSetUpTearDownTrait.php
index 9f4a5326f8b5a..426c148913521 100644
--- a/src/Symfony/Component/Validator/Test/TestCaseSetUpTearDownTrait.php
+++ b/src/Symfony/Component/Validator/Test/TestCaseSetUpTearDownTrait.php
@@ -24,11 +24,11 @@
      */
     trait TestCaseSetUpTearDownTrait
     {
-        protected function doSetUp(): void
+        private function doSetUp(): void
         {
         }
 
-        protected function doTearDown(): void
+        private function doTearDown(): void
         {
         }
     
@@ -52,14 +52,14 @@ trait TestCaseSetUpTearDownTrait
         /**
          * @return void
          */
-        protected function doSetUp()
+        private function doSetUp()
         {
         }
 
         /**
          * @return void
          */
-        protected function doTearDown()
+        private function doTearDown()
         {
         }