diff --git a/UPGRADE-5.0.md b/UPGRADE-5.0.md
index 0cf908215f..f49b87acd6 100644
--- a/UPGRADE-5.0.md
+++ b/UPGRADE-5.0.md
@@ -220,6 +220,7 @@ FrameworkBundle
  * Support for the legacy directory structure in `translation:update` and `debug:translation` commands has been removed.
  * Removed the "Psr\SimpleCache\CacheInterface" / "cache.app.simple" service, use "Symfony\Contracts\Cache\CacheInterface" / "cache.app" instead.
  * Removed support for `templating` engine in `TemplateController`, use Twig instead
+ * Removed `ResolveControllerNameSubscriber`.
 
 HttpClient
 ----------
diff --git a/src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md b/src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md
index 80e19ead08..9b48c658f1 100644
--- a/src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md
+++ b/src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md
@@ -5,6 +5,9 @@ CHANGELOG
 -----
 
  * Removed support to load translation resources from the legacy directories `src/Resources/translations/` and `src/Resources/<BundleName>/translations/`
+ * Removed `ControllerNameParser`.
+ * Removed `ResolveControllerNameSubscriber`
+ * Removed support for `bundle:controller:action` to reference controllers. Use `serviceOrFqcn::method` instead
  * Removed support for PHP templating, use Twig instead
 
 4.4.0
diff --git a/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php b/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php
deleted file mode 100644
index 1a1112dbae..0000000000
--- a/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php
+++ /dev/null
@@ -1,146 +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\Bundle\FrameworkBundle\Controller;
-
-use Symfony\Component\HttpKernel\Bundle\BundleInterface;
-use Symfony\Component\HttpKernel\KernelInterface;
-
-/**
- * ControllerNameParser converts controller from the short notation a:b:c
- * (BlogBundle:Post:index) to a fully-qualified class::method string
- * (Bundle\BlogBundle\Controller\PostController::indexAction).
- *
- * @author Fabien Potencier <fabien@symfony.com>
- *
- * @deprecated since Symfony 4.1
- */
-class ControllerNameParser
-{
-    protected $kernel;
-
-    public function __construct(KernelInterface $kernel, bool $triggerDeprecation = true)
-    {
-        $this->kernel = $kernel;
-
-        if ($triggerDeprecation) {
-            @trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.1.', __CLASS__), E_USER_DEPRECATED);
-        }
-    }
-
-    /**
-     * Converts a short notation a:b:c to a class::method.
-     *
-     * @param string $controller A short notation controller (a:b:c)
-     *
-     * @return string A string in the class::method notation
-     *
-     * @throws \InvalidArgumentException when the specified bundle is not enabled
-     *                                   or the controller cannot be found
-     */
-    public function parse($controller)
-    {
-        if (2 > \func_num_args() || func_get_arg(1)) {
-            @trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.1.', __CLASS__), E_USER_DEPRECATED);
-        }
-
-        $parts = explode(':', $controller);
-        if (3 !== \count($parts) || \in_array('', $parts, true)) {
-            throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid "a:b:c" controller string.', $controller));
-        }
-
-        $originalController = $controller;
-        list($bundleName, $controller, $action) = $parts;
-        $controller = str_replace('/', '\\', $controller);
-
-        try {
-            // this throws an exception if there is no such bundle
-            $bundle = $this->kernel->getBundle($bundleName);
-        } catch (\InvalidArgumentException $e) {
-            $message = sprintf(
-                'The "%s" (from the _controller value "%s") does not exist or is not enabled in your kernel!',
-                $bundleName,
-                $originalController
-            );
-
-            if ($alternative = $this->findAlternative($bundleName)) {
-                $message .= sprintf(' Did you mean "%s:%s:%s"?', $alternative, $controller, $action);
-            }
-
-            throw new \InvalidArgumentException($message, 0, $e);
-        }
-
-        $try = $bundle->getNamespace().'\\Controller\\'.$controller.'Controller';
-        if (class_exists($try)) {
-            return $try.'::'.$action.'Action';
-        }
-
-        throw new \InvalidArgumentException(sprintf('The _controller value "%s:%s:%s" maps to a "%s" class, but this class was not found. Create this class or check the spelling of the class and its namespace.', $bundleName, $controller, $action, $try));
-    }
-
-    /**
-     * Converts a class::method notation to a short one (a:b:c).
-     *
-     * @param string $controller A string in the class::method notation
-     *
-     * @return string A short notation controller (a:b:c)
-     *
-     * @throws \InvalidArgumentException when the controller is not valid or cannot be found in any bundle
-     */
-    public function build($controller)
-    {
-        @trigger_error(sprintf('The %s class is deprecated since Symfony 4.1.', __CLASS__), E_USER_DEPRECATED);
-
-        if (0 === preg_match('#^(.*?\\\\Controller\\\\(.+)Controller)::(.+)Action$#', $controller, $match)) {
-            throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid "class::method" string.', $controller));
-        }
-
-        $className = $match[1];
-        $controllerName = $match[2];
-        $actionName = $match[3];
-        foreach ($this->kernel->getBundles() as $name => $bundle) {
-            if (0 !== strpos($className, $bundle->getNamespace())) {
-                continue;
-            }
-
-            return sprintf('%s:%s:%s', $name, $controllerName, $actionName);
-        }
-
-        throw new \InvalidArgumentException(sprintf('Unable to find a bundle that defines controller "%s".', $controller));
-    }
-
-    /**
-     * Attempts to find a bundle that is *similar* to the given bundle name.
-     */
-    private function findAlternative(string $nonExistentBundleName): ?string
-    {
-        $bundleNames = array_map(function (BundleInterface $b) {
-            return $b->getName();
-        }, $this->kernel->getBundles());
-
-        $alternative = null;
-        $shortest = null;
-        foreach ($bundleNames as $bundleName) {
-            // if there's a partial match, return it immediately
-            if (false !== strpos($bundleName, $nonExistentBundleName)) {
-                return $bundleName;
-            }
-
-            $lev = levenshtein($nonExistentBundleName, $bundleName);
-            if ($lev <= \strlen($nonExistentBundleName) / 3 && (null === $alternative || $lev < $shortest)) {
-                $alternative = $bundleName;
-                $shortest = $lev;
-            }
-        }
-
-        return $alternative;
-    }
-}
diff --git a/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerResolver.php b/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerResolver.php
index e4f5e5dfa5..9fc4807596 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerResolver.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerResolver.php
@@ -11,9 +11,7 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Controller;
 
-use Psr\Log\LoggerInterface;
 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpKernel\Controller\ContainerControllerResolver;
 
 /**
@@ -23,45 +21,6 @@ use Symfony\Component\HttpKernel\Controller\ContainerControllerResolver;
  */
 class ControllerResolver extends ContainerControllerResolver
 {
-    /**
-     * @deprecated since Symfony 4.4
-     */
-    protected $parser;
-
-    /**
-     * @param LoggerInterface|null $logger
-     */
-    public function __construct(ContainerInterface $container, $logger = null)
-    {
-        if ($logger instanceof ControllerNameParser) {
-            @trigger_error(sprintf('Passing a "%s" instance as 2nd argument to "%s()" is deprecated since Symfony 4.4, pass a "%s" instance or null instead.', ControllerNameParser::class, __METHOD__, LoggerInterface::class), E_USER_DEPRECATED);
-            $this->parser = $logger;
-            $logger = 2 < \func_num_args() ? func_get_arg(2) : null;
-        } elseif (2 < \func_num_args() && func_get_arg(2) instanceof ControllerNameParser) {
-            $this->parser = func_get_arg(2);
-        } elseif ($logger && !$logger instanceof LoggerInterface) {
-            throw new \TypeError(sprintf('Argument 2 of "%s()" must be an instance of "%s" or null, "%s" given.', __METHOD__, LoggerInterface::class, \is_object($logger) ? \get_class($logger) : \gettype($logger)), E_USER_DEPRECATED);
-        }
-
-        parent::__construct($container, $logger);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    protected function createController($controller)
-    {
-        if ($this->parser && false === strpos($controller, '::') && 2 === substr_count($controller, ':')) {
-            // controller in the a:b:c notation then
-            $deprecatedNotation = $controller;
-            $controller = $this->parser->parse($deprecatedNotation, false);
-
-            @trigger_error(sprintf('Referencing controllers with %s is deprecated since Symfony 4.1. Use %s instead.', $deprecatedNotation, $controller), E_USER_DEPRECATED);
-        }
-
-        return parent::createController($controller);
-    }
-
     /**
      * {@inheritdoc}
      */
@@ -77,9 +36,7 @@ class ControllerResolver extends ContainerControllerResolver
         }
         if ($controller instanceof AbstractController) {
             if (null === $previousContainer = $controller->setContainer($this->container)) {
-                @trigger_error(sprintf('Auto-injection of the container for "%s" is deprecated since Symfony 4.2. Configure it as a service instead.', $class), E_USER_DEPRECATED);
-            // To be uncommented on Symfony 5:
-                //throw new \LogicException(sprintf('"%s" has no container set, did you forget to define it as a service subscriber?', $class));
+                throw new \LogicException(sprintf('"%s" has no container set, did you forget to define it as a service subscriber?', $class));
             } else {
                 $controller->setContainer($previousContainer);
             }
diff --git a/src/Symfony/Bundle/FrameworkBundle/EventListener/ResolveControllerNameSubscriber.php b/src/Symfony/Bundle/FrameworkBundle/EventListener/ResolveControllerNameSubscriber.php
deleted file mode 100644
index 1964be1b4b..0000000000
--- a/src/Symfony/Bundle/FrameworkBundle/EventListener/ResolveControllerNameSubscriber.php
+++ /dev/null
@@ -1,56 +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\Bundle\FrameworkBundle\EventListener;
-
-use Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser;
-use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-use Symfony\Component\HttpKernel\Event\GetResponseEvent;
-use Symfony\Component\HttpKernel\KernelEvents;
-
-/**
- * Guarantees that the _controller key is parsed into its final format.
- *
- * @author Ryan Weaver <ryan@knpuniversity.com>
- *
- * @deprecated since Symfony 4.1
- */
-class ResolveControllerNameSubscriber implements EventSubscriberInterface
-{
-    private $parser;
-
-    public function __construct(ControllerNameParser $parser, bool $triggerDeprecation = true)
-    {
-        if ($triggerDeprecation) {
-            @trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.1.', __CLASS__), E_USER_DEPRECATED);
-        }
-
-        $this->parser = $parser;
-    }
-
-    public function onKernelRequest(GetResponseEvent $event)
-    {
-        $controller = $event->getRequest()->attributes->get('_controller');
-        if (\is_string($controller) && false === strpos($controller, '::') && 2 === substr_count($controller, ':')) {
-            // controller in the a:b:c notation then
-            $event->getRequest()->attributes->set('_controller', $parsedNotation = $this->parser->parse($controller, false));
-
-            @trigger_error(sprintf('Referencing controllers with %s is deprecated since Symfony 4.1, use "%s" instead.', $controller, $parsedNotation), E_USER_DEPRECATED);
-        }
-    }
-
-    public static function getSubscribedEvents()
-    {
-        return [
-            KernelEvents::REQUEST => ['onKernelRequest', 24],
-        ];
-    }
-}
diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/routing.xml b/src/Symfony/Bundle/FrameworkBundle/Resources/config/routing.xml
index 0f4c4f847b..7451071b96 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Resources/config/routing.xml
+++ b/src/Symfony/Bundle/FrameworkBundle/Resources/config/routing.xml
@@ -48,7 +48,6 @@
         <service id="routing.loader" class="Symfony\Bundle\FrameworkBundle\Routing\DelegatingLoader" public="true">
             <argument type="service" id="routing.resolver" />
             <argument type="collection" />
-            <argument type="service" id=".legacy_controller_name_converter" /> <!-- deprecated since Symfony 4.4 -->
         </service>
 
         <service id="router.default" class="Symfony\Bundle\FrameworkBundle\Routing\Router">
diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/web.xml b/src/Symfony/Bundle/FrameworkBundle/Resources/config/web.xml
index 8fc28054d7..c21bda8c2a 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Resources/config/web.xml
+++ b/src/Symfony/Bundle/FrameworkBundle/Resources/config/web.xml
@@ -7,21 +7,10 @@
     <services>
         <defaults public="false" />
 
-        <service id=".legacy_controller_name_converter" class="Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser">
-            <tag name="monolog.logger" channel="request" />
-            <argument type="service" id="kernel" />
-            <argument>false</argument>
-        </service>
-
-        <service id="controller_name_converter" alias=".legacy_controller_name_converter">
-            <deprecated>The "%alias_id%" service is deprecated since Symfony 4.3.</deprecated>
-        </service>
-
         <service id="controller_resolver" class="Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver">
             <tag name="monolog.logger" channel="request" />
             <argument type="service" id="service_container" />
             <argument type="service" id="logger" on-invalid="ignore" />
-            <argument type="service" id=".legacy_controller_name_converter" />
         </service>
 
         <service id="argument_metadata_factory" class="Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactory" />
@@ -86,15 +75,6 @@
             <tag name="kernel.event_subscriber" />
         </service>
 
-        <service id=".legacy_resolve_controller_name_subscriber" class="Symfony\Bundle\FrameworkBundle\EventListener\ResolveControllerNameSubscriber">
-            <argument type="service" id=".legacy_controller_name_converter" />
-            <argument>false</argument>
-            <tag name="kernel.event_subscriber" />
-        </service>
-        <service id="resolve_controller_name_subscriber" alias=".legacy_resolve_controller_name_subscriber">
-            <deprecated>The "%alias_id%" service is deprecated since Symfony 4.3.</deprecated>
-        </service>
-
         <service id="disallow_search_engine_index_response_listener" class="Symfony\Component\HttpKernel\EventListener\DisallowRobotsIndexingListener">
             <tag name="kernel.event_subscriber" />
         </service>
diff --git a/src/Symfony/Bundle/FrameworkBundle/Routing/DelegatingLoader.php b/src/Symfony/Bundle/FrameworkBundle/Routing/DelegatingLoader.php
index 63e6af0be3..4e11f1459c 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Routing/DelegatingLoader.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Routing/DelegatingLoader.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Routing;
 
-use Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser;
 use Symfony\Component\Config\Exception\LoaderLoadException;
 use Symfony\Component\Config\Loader\DelegatingLoader as BaseDelegatingLoader;
 use Symfony\Component\Config\Loader\LoaderResolverInterface;
@@ -28,28 +27,11 @@ use Symfony\Component\Config\Loader\LoaderResolverInterface;
  */
 class DelegatingLoader extends BaseDelegatingLoader
 {
-    /**
-     * @deprecated since Symfony 4.4
-     */
-    protected $parser;
     private $loading = false;
     private $defaultOptions;
 
-    /**
-     * @param LoaderResolverInterface $resolver
-     * @param array                   $defaultOptions
-     */
-    public function __construct($resolver, $defaultOptions = [])
+    public function __construct(LoaderResolverInterface $resolver, array $defaultOptions = [])
     {
-        if ($resolver instanceof ControllerNameParser) {
-            @trigger_error(sprintf('Passing a "%s" instance as first argument to "%s()" is deprecated since Symfony 4.4, pass a "%s" instance instead.', ControllerNameParser::class, __METHOD__, LoaderResolverInterface::class), E_USER_DEPRECATED);
-            $this->parser = $resolver;
-            $resolver = $defaultOptions;
-            $defaultOptions = 2 < \func_num_args() ? func_get_arg(2) : [];
-        } elseif (2 < \func_num_args() && func_get_arg(2) instanceof ControllerNameParser) {
-            $this->parser = func_get_arg(2);
-        }
-
         $this->defaultOptions = $defaultOptions;
 
         parent::__construct($resolver);
@@ -99,18 +81,6 @@ class DelegatingLoader extends BaseDelegatingLoader
                 continue;
             }
 
-            if ($this->parser && 2 === substr_count($controller, ':')) {
-                $deprecatedNotation = $controller;
-
-                try {
-                    $controller = $this->parser->parse($controller, false);
-
-                    @trigger_error(sprintf('Referencing controllers with %s is deprecated since Symfony 4.1, use "%s" instead.', $deprecatedNotation, $controller), E_USER_DEPRECATED);
-                } catch (\InvalidArgumentException $e) {
-                    // unable to optimize unknown notation
-                }
-            }
-
             if (1 === substr_count($controller, ':')) {
                 $nonDeprecatedNotation = str_replace(':', '::', $controller);
                 // TODO deprecate this in 5.1
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerNameParserTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerNameParserTest.php
deleted file mode 100644
index fa97b1867b..0000000000
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerNameParserTest.php
+++ /dev/null
@@ -1,183 +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\Bundle\FrameworkBundle\Tests\Controller;
-
-use Composer\Autoload\ClassLoader;
-use Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser;
-use Symfony\Bundle\FrameworkBundle\Tests\TestCase;
-
-/**
- * @group legacy
- */
-class ControllerNameParserTest extends TestCase
-{
-    protected $loader;
-
-    protected function setUp()
-    {
-        $this->loader = new ClassLoader();
-        $this->loader->add('TestBundle', __DIR__.'/../Fixtures');
-        $this->loader->add('TestApplication', __DIR__.'/../Fixtures');
-        $this->loader->register();
-    }
-
-    protected function tearDown()
-    {
-        $this->loader->unregister();
-        $this->loader = null;
-    }
-
-    public function testParse()
-    {
-        $parser = $this->createParser();
-
-        $this->assertEquals('TestBundle\FooBundle\Controller\DefaultController::indexAction', $parser->parse('FooBundle:Default:index'), '->parse() converts a short a:b:c notation string to a class::method string');
-        $this->assertEquals('TestBundle\FooBundle\Controller\Sub\DefaultController::indexAction', $parser->parse('FooBundle:Sub\Default:index'), '->parse() converts a short a:b:c notation string to a class::method string');
-        $this->assertEquals('TestBundle\Sensio\Cms\FooBundle\Controller\DefaultController::indexAction', $parser->parse('SensioCmsFooBundle:Default:index'), '->parse() converts a short a:b:c notation string to a class::method string');
-        $this->assertEquals('TestBundle\FooBundle\Controller\Test\DefaultController::indexAction', $parser->parse('FooBundle:Test\\Default:index'), '->parse() converts a short a:b:c notation string to a class::method string');
-        $this->assertEquals('TestBundle\FooBundle\Controller\Test\DefaultController::indexAction', $parser->parse('FooBundle:Test/Default:index'), '->parse() converts a short a:b:c notation string to a class::method string');
-
-        try {
-            $parser->parse('foo:');
-            $this->fail('->parse() throws an \InvalidArgumentException if the controller is not an a:b:c string');
-        } catch (\Exception $e) {
-            $this->assertInstanceOf('\InvalidArgumentException', $e, '->parse() throws an \InvalidArgumentException if the controller is not an a:b:c string');
-        }
-    }
-
-    public function testBuild()
-    {
-        $parser = $this->createParser();
-
-        $this->assertEquals('FoooooBundle:Default:index', $parser->build('TestBundle\FooBundle\Controller\DefaultController::indexAction'), '->parse() converts a class::method string to a short a:b:c notation string');
-        $this->assertEquals('FoooooBundle:Sub\Default:index', $parser->build('TestBundle\FooBundle\Controller\Sub\DefaultController::indexAction'), '->parse() converts a class::method string to a short a:b:c notation string');
-
-        try {
-            $parser->build('TestBundle\FooBundle\Controller\DefaultController::index');
-            $this->fail('->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
-        } catch (\Exception $e) {
-            $this->assertInstanceOf('\InvalidArgumentException', $e, '->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
-        }
-
-        try {
-            $parser->build('TestBundle\FooBundle\Controller\Default::indexAction');
-            $this->fail('->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
-        } catch (\Exception $e) {
-            $this->assertInstanceOf('\InvalidArgumentException', $e, '->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
-        }
-
-        try {
-            $parser->build('Foo\Controller\DefaultController::indexAction');
-            $this->fail('->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
-        } catch (\Exception $e) {
-            $this->assertInstanceOf('\InvalidArgumentException', $e, '->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
-        }
-    }
-
-    /**
-     * @dataProvider getMissingControllersTest
-     */
-    public function testMissingControllers($name)
-    {
-        $parser = $this->createParser();
-
-        try {
-            $parser->parse($name);
-            $this->fail('->parse() throws a \InvalidArgumentException if the class is found but does not exist');
-        } catch (\Exception $e) {
-            $this->assertInstanceOf('\InvalidArgumentException', $e, '->parse() throws a \InvalidArgumentException if the class is found but does not exist');
-        }
-    }
-
-    public function getMissingControllersTest()
-    {
-        // a normal bundle
-        $bundles = [
-            ['FooBundle:Fake:index'],
-        ];
-
-        return $bundles;
-    }
-
-    /**
-     * @dataProvider getInvalidBundleNameTests
-     */
-    public function testInvalidBundleName($bundleName, $suggestedBundleName)
-    {
-        $parser = $this->createParser();
-
-        try {
-            $parser->parse($bundleName);
-            $this->fail('->parse() throws a \InvalidArgumentException if the bundle does not exist');
-        } catch (\Exception $e) {
-            $this->assertInstanceOf('\InvalidArgumentException', $e, '->parse() throws a \InvalidArgumentException if the bundle does not exist');
-
-            if (false === $suggestedBundleName) {
-                // make sure we don't have a suggestion
-                $this->assertNotContains('Did you mean', $e->getMessage());
-            } else {
-                $this->assertContains(sprintf('Did you mean "%s"', $suggestedBundleName), $e->getMessage());
-            }
-        }
-    }
-
-    public function getInvalidBundleNameTests()
-    {
-        return [
-            'Alternative will be found using levenshtein' => ['FoodBundle:Default:index', 'FooBundle:Default:index'],
-            'Bundle does not exist at all' => ['CrazyBundle:Default:index', false],
-        ];
-    }
-
-    private function createParser()
-    {
-        $bundles = [
-            'SensioCmsFooBundle' => $this->getBundle('TestBundle\Sensio\Cms\FooBundle', 'SensioCmsFooBundle'),
-            'FooBundle' => $this->getBundle('TestBundle\FooBundle', 'FooBundle'),
-        ];
-
-        $kernel = $this->getMockBuilder('Symfony\Component\HttpKernel\KernelInterface')->getMock();
-        $kernel
-            ->expects($this->any())
-            ->method('getBundle')
-            ->willReturnCallback(function ($bundle) use ($bundles) {
-                if (!isset($bundles[$bundle])) {
-                    throw new \InvalidArgumentException(sprintf('Invalid bundle name "%s"', $bundle));
-                }
-
-                return $bundles[$bundle];
-            })
-        ;
-
-        $bundles = [
-            'SensioCmsFooBundle' => $this->getBundle('TestBundle\Sensio\Cms\FooBundle', 'SensioCmsFooBundle'),
-            'FoooooBundle' => $this->getBundle('TestBundle\FooBundle', 'FoooooBundle'),
-            'FooBundle' => $this->getBundle('TestBundle\FooBundle', 'FooBundle'),
-        ];
-        $kernel
-            ->expects($this->any())
-            ->method('getBundles')
-            ->willReturn($bundles)
-        ;
-
-        return new ControllerNameParser($kernel);
-    }
-
-    private function getBundle($namespace, $name)
-    {
-        $bundle = $this->getMockBuilder('Symfony\Component\HttpKernel\Bundle\BundleInterface')->getMock();
-        $bundle->expects($this->any())->method('getName')->willReturn($name);
-        $bundle->expects($this->any())->method('getNamespace')->willReturn($namespace);
-
-        return $bundle;
-    }
-}
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerResolverTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerResolverTest.php
index 3eea42c24e..2cdb2e698a 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerResolverTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerResolverTest.php
@@ -14,7 +14,6 @@ namespace Symfony\Bundle\FrameworkBundle\Tests\Controller;
 use Psr\Container\ContainerInterface as Psr11ContainerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
-use Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser;
 use Symfony\Bundle\FrameworkBundle\Controller\ControllerResolver;
 use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
@@ -49,31 +48,6 @@ class ControllerResolverTest extends ContainerControllerResolverTest
         $this->assertInstanceOf('Symfony\Component\DependencyInjection\ContainerInterface', $controller->getContainer());
     }
 
-    /**
-     * @group legacy
-     * @expectedDeprecation Referencing controllers with FooBundle:Default:test is deprecated since Symfony 4.1. Use Symfony\Bundle\FrameworkBundle\Tests\Controller\ContainerAwareController::testAction instead.
-     */
-    public function testGetControllerWithBundleNotation()
-    {
-        $shortName = 'FooBundle:Default:test';
-        $parser = $this->createMockParser();
-        $parser->expects($this->once())
-            ->method('parse')
-            ->with($shortName)
-            ->willReturn('Symfony\Bundle\FrameworkBundle\Tests\Controller\ContainerAwareController::testAction')
-        ;
-
-        $resolver = $this->createLegacyControllerResolver(null, null, $parser);
-        $request = Request::create('/');
-        $request->attributes->set('_controller', $shortName);
-
-        $controller = $resolver->getController($request);
-
-        $this->assertInstanceOf('Symfony\Bundle\FrameworkBundle\Tests\Controller\ContainerAwareController', $controller[0]);
-        $this->assertInstanceOf('Symfony\Component\DependencyInjection\ContainerInterface', $controller[0]->getContainer());
-        $this->assertSame('testAction', $controller[1]);
-    }
-
     public function testContainerAwareControllerGetsContainerWhenNotSet()
     {
         class_exists(AbstractControllerTest::class);
@@ -93,8 +67,8 @@ class ControllerResolverTest extends ContainerControllerResolverTest
     }
 
     /**
-     * @group legacy
-     * @expectedDeprecation Auto-injection of the container for "Symfony\Bundle\FrameworkBundle\Tests\Controller\TestAbstractController" is deprecated since Symfony 4.2. Configure it as a service instead.
+     * @expectedException \LogicException
+     * @expectedExceptionMessage "Symfony\Bundle\FrameworkBundle\Tests\Controller\TestAbstractController" has no container set, did you forget to define it as a service subscriber?
      */
     public function testAbstractControllerGetsContainerWhenNotSet()
     {
@@ -105,7 +79,7 @@ class ControllerResolverTest extends ContainerControllerResolverTest
         $container = new Container();
         $container->set(TestAbstractController::class, $controller);
 
-        $resolver = $this->createLegacyControllerResolver(null, $container);
+        $resolver = $this->createControllerResolver(null, $container);
 
         $request = Request::create('/');
         $request->attributes->set('_controller', TestAbstractController::class.'::fooAction');
@@ -115,10 +89,10 @@ class ControllerResolverTest extends ContainerControllerResolverTest
     }
 
     /**
-     * @group legacy
-     * @expectedDeprecation Auto-injection of the container for "Symfony\Bundle\FrameworkBundle\Tests\Controller\DummyController" is deprecated since Symfony 4.2. Configure it as a service instead.
+     * @expectedException \LogicException
+     * @expectedExceptionMessage "Symfony\Bundle\FrameworkBundle\Tests\Controller\DummyController" has no container set, did you forget to define it as a service subscriber?
      */
-    public function testAbstractControllerServiceWithFcqnIdGetsContainerWhenNotSet()
+    public function testAbstractControllerServiceWithFqcnIdGetsContainerWhenNotSet()
     {
         class_exists(AbstractControllerTest::class);
 
@@ -127,7 +101,7 @@ class ControllerResolverTest extends ContainerControllerResolverTest
         $container = new Container();
         $container->set(DummyController::class, $controller);
 
-        $resolver = $this->createLegacyControllerResolver(null, $container);
+        $resolver = $this->createControllerResolver(null, $container);
 
         $request = Request::create('/');
         $request->attributes->set('_controller', DummyController::class.'::fooAction');
@@ -176,19 +150,6 @@ class ControllerResolverTest extends ContainerControllerResolverTest
         $this->assertSame($controllerContainer, $controller->getContainer());
     }
 
-    protected function createLegacyControllerResolver(LoggerInterface $logger = null, Psr11ContainerInterface $container = null, ControllerNameParser $parser = null)
-    {
-        if (!$parser) {
-            $parser = $this->createMockParser();
-        }
-
-        if (!$container) {
-            $container = $this->createMockContainer();
-        }
-
-        return new ControllerResolver($container, $parser, $logger);
-    }
-
     protected function createControllerResolver(LoggerInterface $logger = null, Psr11ContainerInterface $container = null)
     {
         if (!$container) {
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/EventListener/ResolveControllerNameSubscriberTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/EventListener/ResolveControllerNameSubscriberTest.php
deleted file mode 100644
index 4d9acb9911..0000000000
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/EventListener/ResolveControllerNameSubscriberTest.php
+++ /dev/null
@@ -1,69 +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\Bundle\FrameworkBundle\Tests\EventListener;
-
-use Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser;
-use Symfony\Bundle\FrameworkBundle\EventListener\ResolveControllerNameSubscriber;
-use Symfony\Bundle\FrameworkBundle\Tests\TestCase;
-use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpKernel\Event\RequestEvent;
-use Symfony\Component\HttpKernel\HttpKernelInterface;
-
-/**
- * @group legacy
- */
-class ResolveControllerNameSubscriberTest extends TestCase
-{
-    /**
-     * @group legacy
-     */
-    public function testReplacesControllerAttribute()
-    {
-        $parser = $this->getMockBuilder(ControllerNameParser::class)->disableOriginalConstructor()->getMock();
-        $parser->expects($this->any())
-            ->method('parse')
-            ->with('AppBundle:Starting:format')
-            ->willReturn('App\\Final\\Format::methodName');
-        $httpKernel = $this->getMockBuilder(HttpKernelInterface::class)->getMock();
-
-        $request = new Request();
-        $request->attributes->set('_controller', 'AppBundle:Starting:format');
-
-        $subscriber = new ResolveControllerNameSubscriber($parser);
-        $subscriber->onKernelRequest(new RequestEvent($httpKernel, $request, HttpKernelInterface::MASTER_REQUEST));
-        $this->assertEquals('App\\Final\\Format::methodName', $request->attributes->get('_controller'));
-    }
-
-    /**
-     * @dataProvider provideSkippedControllers
-     */
-    public function testSkipsOtherControllerFormats($controller)
-    {
-        $parser = $this->getMockBuilder(ControllerNameParser::class)->disableOriginalConstructor()->getMock();
-        $parser->expects($this->never())
-            ->method('parse');
-        $httpKernel = $this->getMockBuilder(HttpKernelInterface::class)->getMock();
-
-        $request = new Request();
-        $request->attributes->set('_controller', $controller);
-
-        $subscriber = new ResolveControllerNameSubscriber($parser);
-        $subscriber->onKernelRequest(new RequestEvent($httpKernel, $request, HttpKernelInterface::MASTER_REQUEST));
-        $this->assertEquals($controller, $request->attributes->get('_controller'));
-    }
-
-    public function provideSkippedControllers()
-    {
-        yield ['Other:format'];
-        yield [function () {}];
-    }
-}
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Routing/DelegatingLoaderTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Routing/DelegatingLoaderTest.php
index daed030f72..de7f91ee63 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Routing/DelegatingLoaderTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Routing/DelegatingLoaderTest.php
@@ -3,7 +3,6 @@
 namespace Symfony\Bundle\FrameworkBundle\Tests\Routing;
 
 use PHPUnit\Framework\TestCase;
-use Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser;
 use Symfony\Bundle\FrameworkBundle\Routing\DelegatingLoader;
 use Symfony\Component\Config\Loader\LoaderInterface;
 use Symfony\Component\Config\Loader\LoaderResolver;
@@ -13,17 +12,10 @@ use Symfony\Component\Routing\RouteCollection;
 
 class DelegatingLoaderTest extends TestCase
 {
-    /**
-     * @group legacy
-     * @expectedDeprecation Passing a "Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser" instance as first argument to "Symfony\Bundle\FrameworkBundle\Routing\DelegatingLoader::__construct()" is deprecated since Symfony 4.4, pass a "Symfony\Component\Config\Loader\LoaderResolverInterface" instance instead.
-     */
     public function testConstructorApi()
     {
-        $controllerNameParser = $this->getMockBuilder(ControllerNameParser::class)
-            ->disableOriginalConstructor()
-            ->getMock();
-        new DelegatingLoader($controllerNameParser, new LoaderResolver());
-        $this->assertTrue(true, '__construct() takes a ControllerNameParser and LoaderResolverInterface respectively as its first and second argument.');
+        new DelegatingLoader(new LoaderResolver());
+        $this->assertTrue(true, '__construct() takeS a LoaderResolverInterface as its first argument.');
     }
 
     public function testLoadDefaultOptions()
@@ -64,47 +56,4 @@ class DelegatingLoaderTest extends TestCase
         ];
         $this->assertSame($expected, $routeCollection->get('bar')->getOptions());
     }
-
-    /**
-     * @group legacy
-     * @expectedDeprecation Referencing controllers with foo:bar:baz is deprecated since Symfony 4.1, use "some_parsed::controller" instead.
-     */
-    public function testLoad()
-    {
-        $controllerNameParser = $this->getMockBuilder(ControllerNameParser::class)
-            ->disableOriginalConstructor()
-            ->getMock();
-
-        $controllerNameParser->expects($this->once())
-            ->method('parse')
-            ->with('foo:bar:baz')
-            ->willReturn('some_parsed::controller');
-
-        $loaderResolver = $this->getMockBuilder(LoaderResolverInterface::class)
-            ->disableOriginalConstructor()
-            ->getMock();
-
-        $loader = $this->getMockBuilder(LoaderInterface::class)->getMock();
-
-        $loaderResolver->expects($this->once())
-            ->method('resolve')
-            ->willReturn($loader);
-
-        $routeCollection = new RouteCollection();
-        $routeCollection->add('foo', new Route('/', ['_controller' => 'foo:bar:baz']));
-        $routeCollection->add('bar', new Route('/', ['_controller' => 'foo::baz']));
-        $routeCollection->add('baz', new Route('/', ['_controller' => 'foo:baz']));
-
-        $loader->expects($this->once())
-            ->method('load')
-            ->willReturn($routeCollection);
-
-        $delegatingLoader = new DelegatingLoader($controllerNameParser, $loaderResolver);
-
-        $loadedRouteCollection = $delegatingLoader->load('foo');
-        $this->assertCount(3, $loadedRouteCollection);
-        $this->assertSame('some_parsed::controller', $routeCollection->get('foo')->getDefault('_controller'));
-        $this->assertSame('foo::baz', $routeCollection->get('bar')->getDefault('_controller'));
-        $this->assertSame('foo:baz', $routeCollection->get('baz')->getDefault('_controller'));
-    }
 }