diff --git a/src/Symfony/Component/Console/Command/DumpCompletionCommand.php b/src/Symfony/Component/Console/Command/DumpCompletionCommand.php
index daf3553ab6ee0..2853fc5f40958 100644
--- a/src/Symfony/Component/Console/Command/DumpCompletionCommand.php
+++ b/src/Symfony/Component/Console/Command/DumpCompletionCommand.php
@@ -35,7 +35,7 @@ protected function configure(): void
         $commandName = basename($fullCommand);
         $fullCommand = @realpath($fullCommand) ?: $fullCommand;
 
-        $shell = $this->guessShell();
+        $shell = self::guessShell();
         [$rcFile, $completionFile] = match ($shell) {
             'fish' => ['~/.config/fish/config.fish', "/etc/fish/completions/$commandName.fish"],
             'zsh' => ['~/.zshrc', '$fpath[1]/_'.$commandName],
diff --git a/src/Symfony/Component/Console/EventListener/ErrorListener.php b/src/Symfony/Component/Console/EventListener/ErrorListener.php
index 87b0d70f1e613..9acb0e41dcbdd 100644
--- a/src/Symfony/Component/Console/EventListener/ErrorListener.php
+++ b/src/Symfony/Component/Console/EventListener/ErrorListener.php
@@ -37,7 +37,7 @@ public function onConsoleError(ConsoleErrorEvent $event): void
 
         $error = $event->getError();
 
-        if (!$inputString = $this->getInputString($event)) {
+        if (!$inputString = self::getInputString($event)) {
             $this->logger->critical('An error occurred while using the console. Message: "{message}"', ['exception' => $error, 'message' => $error->getMessage()]);
 
             return;
@@ -58,7 +58,7 @@ public function onConsoleTerminate(ConsoleTerminateEvent $event): void
             return;
         }
 
-        if (!$inputString = $this->getInputString($event)) {
+        if (!$inputString = self::getInputString($event)) {
             $this->logger->debug('The console exited with code "{code}"', ['code' => $exitCode]);
 
             return;
diff --git a/src/Symfony/Component/DependencyInjection/EnvVarProcessor.php b/src/Symfony/Component/DependencyInjection/EnvVarProcessor.php
index 674cd7af9cf9e..0c7e022bb17e5 100644
--- a/src/Symfony/Component/DependencyInjection/EnvVarProcessor.php
+++ b/src/Symfony/Component/DependencyInjection/EnvVarProcessor.php
@@ -230,7 +230,7 @@ public function getEnv(string $prefix, string $name, \Closure $getEnv): mixed
                 return null;
             }
 
-            if (!isset($this->getProvidedTypes()[$prefix])) {
+            if (!isset(static::getProvidedTypes()[$prefix])) {
                 throw new RuntimeException(\sprintf('Unsupported env var prefix "%s".', $prefix));
             }
 
diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index 2af29a52ac1cf..114010609c981 100644
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -1572,7 +1572,7 @@ public function getLanguages(): array
         $this->languages = [];
         foreach ($languages as $acceptHeaderItem) {
             $lang = $acceptHeaderItem->getValue();
-            $this->languages[] = $this->formatLocale($lang);
+            $this->languages[] = self::formatLocale($lang);
         }
         $this->languages = array_unique($this->languages);
 
diff --git a/src/Symfony/Component/Security/Http/Firewall/ContextListener.php b/src/Symfony/Component/Security/Http/Firewall/ContextListener.php
index 759946b85dc9a..a9ea59d2c889a 100644
--- a/src/Symfony/Component/Security/Http/Firewall/ContextListener.php
+++ b/src/Symfony/Component/Security/Http/Firewall/ContextListener.php
@@ -207,7 +207,7 @@ protected function refreshUser(TokenInterface $token): ?TokenInterface
                 $newToken->setUser($refreshedUser, false);
 
                 // tokens can be deauthenticated if the user has been changed.
-                if ($token instanceof AbstractToken && $this->hasUserChanged($user, $newToken)) {
+                if ($token instanceof AbstractToken && self::hasUserChanged($user, $newToken)) {
                     $userDeauthenticated = true;
 
                     $this->logger?->debug('Cannot refresh token because user has changed.', ['username' => $refreshedUser->getUserIdentifier(), 'provider' => $provider::class]);
diff --git a/src/Symfony/Component/Workflow/MarkingStore/MethodMarkingStore.php b/src/Symfony/Component/Workflow/MarkingStore/MethodMarkingStore.php
index 50d6169f3922a..a2844b7b8ede7 100644
--- a/src/Symfony/Component/Workflow/MarkingStore/MethodMarkingStore.php
+++ b/src/Symfony/Component/Workflow/MarkingStore/MethodMarkingStore.php
@@ -88,7 +88,7 @@ private function getGetter(object $subject): callable
         $property = $this->property;
         $method = 'get'.ucfirst($property);
 
-        return match ($this->getters[$subject::class] ??= $this->getType($subject, $property, $method)) {
+        return match ($this->getters[$subject::class] ??= self::getType($subject, $property, $method)) {
             MarkingStoreMethod::METHOD => $subject->{$method}(...),
             MarkingStoreMethod::PROPERTY => static fn () => $subject->{$property},
         };
@@ -99,7 +99,7 @@ private function getSetter(object $subject): callable
         $property = $this->property;
         $method = 'set'.ucfirst($property);
 
-        return match ($this->setters[$subject::class] ??= $this->getType($subject, $property, $method)) {
+        return match ($this->setters[$subject::class] ??= self::getType($subject, $property, $method)) {
             MarkingStoreMethod::METHOD => $subject->{$method}(...),
             MarkingStoreMethod::PROPERTY => static fn ($marking) => $subject->{$property} = $marking,
         };