diff --git a/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php b/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php
index 324d5d26d4b06..3dc87f5af0a35 100644
--- a/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php
+++ b/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php
@@ -75,7 +75,7 @@ public static function createChoiceLabel(object $choice): string
      */
     public static function createChoiceName(object $choice, $key, string $value): string
     {
-        return str_replace('-', '_', (string) $value);
+        return str_replace('-', '_', $value);
     }
 
     /**
diff --git a/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Configuration.php b/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Configuration.php
index 99248c508ccab..4420ef3d0e46c 100644
--- a/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Configuration.php
+++ b/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Configuration.php
@@ -107,7 +107,7 @@ private function __construct(array $thresholds = [], $regex = '', $verboseOutput
             if (!isset($this->verboseOutput[$group])) {
                 throw new \InvalidArgumentException(sprintf('Unsupported verbosity group "%s", expected one of "%s".', $group, implode('", "', array_keys($this->verboseOutput))));
             }
-            $this->verboseOutput[$group] = (bool) $status;
+            $this->verboseOutput[$group] = $status;
         }
 
         if ($generateBaseline && !$baselineFile) {
diff --git a/src/Symfony/Bridge/Twig/Tests/Extension/FormExtensionBootstrap5HorizontalLayoutTest.php b/src/Symfony/Bridge/Twig/Tests/Extension/FormExtensionBootstrap5HorizontalLayoutTest.php
index 042cbf0e40a7e..ef924884a4751 100644
--- a/src/Symfony/Bridge/Twig/Tests/Extension/FormExtensionBootstrap5HorizontalLayoutTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Extension/FormExtensionBootstrap5HorizontalLayoutTest.php
@@ -59,7 +59,7 @@ protected function setUp(): void
 
     protected function renderForm(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->renderBlock($view, 'form', $vars);
+        return $this->renderer->renderBlock($view, 'form', $vars);
     }
 
     protected function renderLabel(FormView $view, $label = null, array $vars = []): string
@@ -68,42 +68,42 @@ protected function renderLabel(FormView $view, $label = null, array $vars = []):
             $vars += ['label' => $label];
         }
 
-        return (string) $this->renderer->searchAndRenderBlock($view, 'label', $vars);
+        return $this->renderer->searchAndRenderBlock($view, 'label', $vars);
     }
 
     protected function renderHelp(FormView $view): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'help');
+        return $this->renderer->searchAndRenderBlock($view, 'help');
     }
 
     protected function renderErrors(FormView $view): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'errors');
+        return $this->renderer->searchAndRenderBlock($view, 'errors');
     }
 
     protected function renderWidget(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'widget', $vars);
+        return $this->renderer->searchAndRenderBlock($view, 'widget', $vars);
     }
 
     protected function renderRow(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'row', $vars);
+        return $this->renderer->searchAndRenderBlock($view, 'row', $vars);
     }
 
     protected function renderRest(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'rest', $vars);
+        return $this->renderer->searchAndRenderBlock($view, 'rest', $vars);
     }
 
     protected function renderStart(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->renderBlock($view, 'form_start', $vars);
+        return $this->renderer->renderBlock($view, 'form_start', $vars);
     }
 
     protected function renderEnd(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->renderBlock($view, 'form_end', $vars);
+        return $this->renderer->renderBlock($view, 'form_end', $vars);
     }
 
     protected function setTheme(FormView $view, array $themes, $useDefaultThemes = true): void
diff --git a/src/Symfony/Bridge/Twig/Tests/Extension/FormExtensionBootstrap5LayoutTest.php b/src/Symfony/Bridge/Twig/Tests/Extension/FormExtensionBootstrap5LayoutTest.php
index 1bf4a315fab0b..8c0e54744f964 100644
--- a/src/Symfony/Bridge/Twig/Tests/Extension/FormExtensionBootstrap5LayoutTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Extension/FormExtensionBootstrap5LayoutTest.php
@@ -111,7 +111,7 @@ public function testMoneyWidgetInIso()
 
     protected function renderForm(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->renderBlock($view, 'form', $vars);
+        return $this->renderer->renderBlock($view, 'form', $vars);
     }
 
     protected function renderLabel(FormView $view, $label = null, array $vars = []): string
@@ -120,42 +120,42 @@ protected function renderLabel(FormView $view, $label = null, array $vars = []):
             $vars += ['label' => $label];
         }
 
-        return (string) $this->renderer->searchAndRenderBlock($view, 'label', $vars);
+        return $this->renderer->searchAndRenderBlock($view, 'label', $vars);
     }
 
     protected function renderHelp(FormView $view): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'help');
+        return $this->renderer->searchAndRenderBlock($view, 'help');
     }
 
     protected function renderErrors(FormView $view): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'errors');
+        return $this->renderer->searchAndRenderBlock($view, 'errors');
     }
 
     protected function renderWidget(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'widget', $vars);
+        return $this->renderer->searchAndRenderBlock($view, 'widget', $vars);
     }
 
     protected function renderRow(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'row', $vars);
+        return $this->renderer->searchAndRenderBlock($view, 'row', $vars);
     }
 
     protected function renderRest(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->searchAndRenderBlock($view, 'rest', $vars);
+        return $this->renderer->searchAndRenderBlock($view, 'rest', $vars);
     }
 
     protected function renderStart(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->renderBlock($view, 'form_start', $vars);
+        return $this->renderer->renderBlock($view, 'form_start', $vars);
     }
 
     protected function renderEnd(FormView $view, array $vars = []): string
     {
-        return (string) $this->renderer->renderBlock($view, 'form_end', $vars);
+        return $this->renderer->renderBlock($view, 'form_end', $vars);
     }
 
     protected function setTheme(FormView $view, array $themes, $useDefaultThemes = true): void
diff --git a/src/Symfony/Component/Console/Question/Question.php b/src/Symfony/Component/Console/Question/Question.php
index 04d2d411d6e5a..553be3404e03e 100644
--- a/src/Symfony/Component/Console/Question/Question.php
+++ b/src/Symfony/Component/Console/Question/Question.php
@@ -105,7 +105,7 @@ public function setHidden(bool $hidden)
             throw new LogicException('A hidden question cannot use the autocompleter.');
         }
 
-        $this->hidden = (bool) $hidden;
+        $this->hidden = $hidden;
 
         return $this;
     }
@@ -127,7 +127,7 @@ public function isHiddenFallback()
      */
     public function setHiddenFallback(bool $fallback)
     {
-        $this->hiddenFallback = (bool) $fallback;
+        $this->hiddenFallback = $fallback;
 
         return $this;
     }
@@ -230,11 +230,8 @@ public function getValidator()
      */
     public function setMaxAttempts(?int $attempts)
     {
-        if (null !== $attempts) {
-            $attempts = (int) $attempts;
-            if ($attempts < 1) {
-                throw new InvalidArgumentException('Maximum number of attempts must be a positive value.');
-            }
+        if (null !== $attempts && $attempts < 1) {
+            throw new InvalidArgumentException('Maximum number of attempts must be a positive value.');
         }
 
         $this->attempts = $attempts;
diff --git a/src/Symfony/Component/DependencyInjection/Definition.php b/src/Symfony/Component/DependencyInjection/Definition.php
index 90f8f886cd942..9d711f8982f46 100644
--- a/src/Symfony/Component/DependencyInjection/Definition.php
+++ b/src/Symfony/Component/DependencyInjection/Definition.php
@@ -146,7 +146,7 @@ public function setDecoratedService(?string $id, string $renamedId = null, int $
         if (null === $id) {
             $this->decoratedService = null;
         } else {
-            $this->decoratedService = [$id, $renamedId, (int) $priority];
+            $this->decoratedService = [$id, $renamedId, $priority];
 
             if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $invalidBehavior) {
                 $this->decoratedService[] = $invalidBehavior;
diff --git a/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php b/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php
index fad04fc6df08f..41da2c7267a40 100644
--- a/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php
+++ b/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBag.php
@@ -109,7 +109,7 @@ public function set(string $name, $value)
      */
     public function has(string $name)
     {
-        return \array_key_exists((string) $name, $this->parameters);
+        return \array_key_exists($name, $this->parameters);
     }
 
     /**
diff --git a/src/Symfony/Component/Form/AbstractRendererEngine.php b/src/Symfony/Component/Form/AbstractRendererEngine.php
index b4437471234a3..33e66f84fc62c 100644
--- a/src/Symfony/Component/Form/AbstractRendererEngine.php
+++ b/src/Symfony/Component/Form/AbstractRendererEngine.php
@@ -68,7 +68,7 @@ public function setTheme(FormView $view, $themes, bool $useDefaultThemes = true)
 
         // Do not cast, as casting turns objects into arrays of properties
         $this->themes[$cacheKey] = \is_array($themes) ? $themes : [$themes];
-        $this->useDefaultThemes[$cacheKey] = (bool) $useDefaultThemes;
+        $this->useDefaultThemes[$cacheKey] = $useDefaultThemes;
 
         // Unset instead of resetting to an empty array, in order to allow
         // implementations (like TwigRendererEngine) to check whether $cacheKey
diff --git a/src/Symfony/Component/Form/FormFactory.php b/src/Symfony/Component/Form/FormFactory.php
index 959f6bcf782a8..b3185d1a376c6 100644
--- a/src/Symfony/Component/Form/FormFactory.php
+++ b/src/Symfony/Component/Form/FormFactory.php
@@ -66,7 +66,7 @@ public function createNamedBuilder(string $name, string $type = FormType::class,
 
         $type = $this->registry->getType($type);
 
-        $builder = $type->createBuilder($this, (string) $name, $options);
+        $builder = $type->createBuilder($this, $name, $options);
 
         // Explicitly call buildForm() in order to be able to override either
         // createBuilder() or buildForm() in the resolved form type
diff --git a/src/Symfony/Component/Ldap/Adapter/ExtLdap/Adapter.php b/src/Symfony/Component/Ldap/Adapter/ExtLdap/Adapter.php
index 3106ba3ce4aa0..ff6d4d9f6a023 100644
--- a/src/Symfony/Component/Ldap/Adapter/ExtLdap/Adapter.php
+++ b/src/Symfony/Component/Ldap/Adapter/ExtLdap/Adapter.php
@@ -72,7 +72,7 @@ public function escape(string $subject, string $ignore = '', int $flags = 0)
         $value = ldap_escape($subject, $ignore, $flags);
 
         // Per RFC 4514, leading/trailing spaces should be encoded in DNs, as well as carriage returns.
-        if ((int) $flags & \LDAP_ESCAPE_DN) {
+        if ($flags & \LDAP_ESCAPE_DN) {
             if (!empty($value) && ' ' === $value[0]) {
                 $value = '\\20'.substr($value, 1);
             }
diff --git a/src/Symfony/Component/Translation/Translator.php b/src/Symfony/Component/Translation/Translator.php
index c432b8867fd02..ccdf88f11d11d 100644
--- a/src/Symfony/Component/Translation/Translator.php
+++ b/src/Symfony/Component/Translation/Translator.php
@@ -455,7 +455,7 @@ protected function computeFallbackLocales(string $locale)
      */
     protected function assertValidLocale(string $locale)
     {
-        if (!preg_match('/^[a-z0-9@_\\.\\-]*$/i', (string) $locale)) {
+        if (!preg_match('/^[a-z0-9@_\\.\\-]*$/i', $locale)) {
             throw new InvalidArgumentException(sprintf('Invalid "%s" locale.', $locale));
         }
     }
diff --git a/src/Symfony/Component/Validator/Mapping/Loader/AbstractLoader.php b/src/Symfony/Component/Validator/Mapping/Loader/AbstractLoader.php
index 74f445085e47d..9f6667f836f9d 100644
--- a/src/Symfony/Component/Validator/Mapping/Loader/AbstractLoader.php
+++ b/src/Symfony/Component/Validator/Mapping/Loader/AbstractLoader.php
@@ -67,7 +67,7 @@ protected function addNamespaceAlias(string $alias, string $namespace)
     protected function newConstraint(string $name, $options = null)
     {
         if (str_contains($name, '\\') && class_exists($name)) {
-            $className = (string) $name;
+            $className = $name;
         } elseif (str_contains($name, ':')) {
             [$prefix, $className] = explode(':', $name, 2);
 
diff --git a/src/Symfony/Component/VarDumper/Cloner/Data.php b/src/Symfony/Component/VarDumper/Cloner/Data.php
index b17dc55e27dba..b8238c6e071e7 100644
--- a/src/Symfony/Component/VarDumper/Cloner/Data.php
+++ b/src/Symfony/Component/VarDumper/Cloner/Data.php
@@ -207,7 +207,7 @@ public function __toString()
     public function withMaxDepth(int $maxDepth)
     {
         $data = clone $this;
-        $data->maxDepth = (int) $maxDepth;
+        $data->maxDepth = $maxDepth;
 
         return $data;
     }
@@ -220,7 +220,7 @@ public function withMaxDepth(int $maxDepth)
     public function withMaxItemsPerDepth(int $maxItemsPerDepth)
     {
         $data = clone $this;
-        $data->maxItemsPerDepth = (int) $maxItemsPerDepth;
+        $data->maxItemsPerDepth = $maxItemsPerDepth;
 
         return $data;
     }