diff --git a/core/tests/Drupal/KernelTests/Core/Test/BrowserTestBaseTest.php b/core/tests/Drupal/KernelTests/Core/Test/BrowserTestBaseTest.php
deleted file mode 100644
index 01260b2c85e7f7929602b23aea67f89ee537c01c..0000000000000000000000000000000000000000
--- a/core/tests/Drupal/KernelTests/Core/Test/BrowserTestBaseTest.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-
-namespace Drupal\KernelTests\Core\Test;
-
-use Drupal\FunctionalTests\BrowserMissingDependentModuleMethodTest;
-use Drupal\FunctionalTests\BrowserMissingDependentModuleTest;
-use Drupal\KernelTests\KernelTestBase;
-use PHPUnit\Framework\SkippedTestError;
-
-/**
- * @group Test
- * @group FunctionalTests
- * @group legacy
- *
- * @coversDefaultClass \Drupal\Tests\BrowserTestBase
- */
-class BrowserTestBaseTest extends KernelTestBase {
-
-  /**
-   * Tests that a test method is skipped when it requires a module not present.
-   *
-   * In order to catch checkRequirements() regressions, we have to make a new
-   * test object and run checkRequirements() here.
-   *
-   * @covers ::checkRequirements
-   * @covers ::checkModuleRequirements
-   */
-  public function testMethodRequiresModule() {
-    $this->expectDeprecation('Drupal\Tests\TestRequirementsTrait::checkModuleRequirements() is deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no replacement. See https://www.drupal.org/node/3418480');
-    require __DIR__ . '/../../../../fixtures/BrowserMissingDependentModuleMethodTest.php';
-
-    // @phpstan-ignore-next-line
-    $stub_test = new BrowserMissingDependentModuleMethodTest();
-    // We have to setName() to the method name we're concerned with.
-    $stub_test->setName('testRequiresModule');
-
-    // We cannot use $this->setExpectedException() because PHPUnit would skip
-    // the test before comparing the exception type.
-    try {
-      $stub_test->publicCheckRequirements();
-      $this->fail('Missing required module throws skipped test exception.');
-    }
-    catch (SkippedTestError $e) {
-      $this->assertEquals('Required modules: module_does_not_exist', $e->getMessage());
-    }
-  }
-
-  /**
-   * Tests that a test case is skipped when it requires a module not present.
-   *
-   * In order to catch checkRequirements() regressions, we have to make a new
-   * test object and run checkRequirements() here.
-   *
-   * @covers ::checkRequirements
-   * @covers ::checkModuleRequirements
-   */
-  public function testRequiresModule() {
-    $this->expectDeprecation('Drupal\Tests\TestRequirementsTrait::checkModuleRequirements() is deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no replacement. See https://www.drupal.org/node/3418480');
-    require __DIR__ . '/../../../../fixtures/BrowserMissingDependentModuleTest.php';
-
-    // @phpstan-ignore-next-line
-    $stub_test = new BrowserMissingDependentModuleTest();
-    // We have to setName() to the method name we're concerned with.
-    $stub_test->setName('testRequiresModule');
-
-    // We cannot use $this->setExpectedException() because PHPUnit would skip
-    // the test before comparing the exception type.
-    try {
-      $stub_test->publicCheckRequirements();
-      $this->fail('Missing required module throws skipped test exception.');
-    }
-    catch (SkippedTestError $e) {
-      $this->assertEquals('Required modules: module_does_not_exist', $e->getMessage());
-    }
-  }
-
-}
diff --git a/core/tests/Drupal/KernelTests/KernelTestBaseTest.php b/core/tests/Drupal/KernelTests/KernelTestBaseTest.php
index 4df6d09c167e1a970eeae92ba9a3933c232f3566..ce5e37aef9572b736f06e8642d943627cdded847 100644
--- a/core/tests/Drupal/KernelTests/KernelTestBaseTest.php
+++ b/core/tests/Drupal/KernelTests/KernelTestBaseTest.php
@@ -9,7 +9,6 @@
 use Drupal\user\Entity\Role;
 use org\bovigo\vfs\vfsStream;
 use org\bovigo\vfs\visitor\vfsStreamStructureVisitor;
-use PHPUnit\Framework\SkippedTestError;
 use Psr\Http\Client\ClientExceptionInterface;
 use Symfony\Component\HttpFoundation\Request;
 
@@ -273,70 +272,6 @@ public function testLocalTimeZone() {
     $this->assertEquals('Australia/Sydney', date_default_timezone_get());
   }
 
-  /**
-   * Tests that a test method is skipped when it requires a module not present.
-   *
-   * In order to catch checkRequirements() regressions, we have to make a new
-   * test object and run checkRequirements() here.
-   *
-   * @covers ::checkRequirements
-   * @covers ::checkModuleRequirements
-   *
-   * @group legacy
-   */
-  public function testMethodRequiresModule() {
-    $this->expectDeprecation('Drupal\Tests\TestRequirementsTrait::checkModuleRequirements() is deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no replacement. See https://www.drupal.org/node/3418480');
-
-    require __DIR__ . '/../../fixtures/KernelMissingDependentModuleMethodTest.php';
-
-    // @phpstan-ignore-next-line
-    $stub_test = new KernelMissingDependentModuleMethodTest();
-    // We have to setName() to the method name we're concerned with.
-    $stub_test->setName('testRequiresModule');
-
-    // We cannot use $this->setExpectedException() because PHPUnit would skip
-    // the test before comparing the exception type.
-    try {
-      $stub_test->publicCheckRequirements();
-      $this->fail('Missing required module throws skipped test exception.');
-    }
-    catch (SkippedTestError $e) {
-      $this->assertEquals('Required modules: module_does_not_exist', $e->getMessage());
-    }
-  }
-
-  /**
-   * Tests that a test case is skipped when it requires a module not present.
-   *
-   * In order to catch checkRequirements() regressions, we have to make a new
-   * test object and run checkRequirements() here.
-   *
-   * @covers ::checkRequirements
-   * @covers ::checkModuleRequirements
-   *
-   * @group legacy
-   */
-  public function testRequiresModule() {
-    $this->expectDeprecation('Drupal\Tests\TestRequirementsTrait::checkModuleRequirements() is deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no replacement. See https://www.drupal.org/node/3418480');
-
-    require __DIR__ . '/../../fixtures/KernelMissingDependentModuleTest.php';
-
-    // @phpstan-ignore-next-line
-    $stub_test = new KernelMissingDependentModuleTest();
-    // We have to setName() to the method name we're concerned with.
-    $stub_test->setName('testRequiresModule');
-
-    // We cannot use $this->setExpectedException() because PHPUnit would skip
-    // the test before comparing the exception type.
-    try {
-      $stub_test->publicCheckRequirements();
-      $this->fail('Missing required module throws skipped test exception.');
-    }
-    catch (SkippedTestError $e) {
-      $this->assertEquals('Required modules: module_does_not_exist', $e->getMessage());
-    }
-  }
-
   /**
    * {@inheritdoc}
    */
diff --git a/core/tests/Drupal/Tests/TestRequirementsTrait.php b/core/tests/Drupal/Tests/TestRequirementsTrait.php
index 9cded2ee8755fc87f5ab8dbe27f0d827addbc990..ce445573981a5d557a8887dcd89ee923d3324bbe 100644
--- a/core/tests/Drupal/Tests/TestRequirementsTrait.php
+++ b/core/tests/Drupal/Tests/TestRequirementsTrait.php
@@ -4,10 +4,6 @@
 
 namespace Drupal\Tests;
 
-use Drupal\Core\Extension\ExtensionDiscovery;
-use PHPUnit\Util\Test;
-use PHPUnit\Framework\SkippedTestError;
-
 /**
  * Allows test classes to require Drupal modules as dependencies.
  *
@@ -26,95 +22,4 @@ protected static function getDrupalRoot() {
     return dirname(substr(__DIR__, 0, -strlen(__NAMESPACE__)), 2);
   }
 
-  /**
-   * Check module requirements for the Drupal use case.
-   *
-   * This method is assumed to override
-   * \PHPUnit\Framework\TestCase::checkRequirements().
-   *
-   * @throws \PHPUnit\Framework\SkippedTestError
-   *   Thrown when the requirements are not met, and this test should be
-   *   skipped. Callers should not catch this exception.
-   *
-   * @deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is
-   *   no replacement.
-   *
-   * @see https://www.drupal.org/node/3418480
-   */
-  protected function checkRequirements() {
-    @trigger_error(__METHOD__ . '() is deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no replacement. See https://www.drupal.org/node/3418480', E_USER_DEPRECATED);
-
-    if (!$this->getName(FALSE) || !method_exists($this, $this->getName(FALSE))) {
-      return;
-    }
-
-    $missingRequirements = Test::getMissingRequirements(
-      static::class,
-      $this->getName(FALSE)
-    );
-
-    if (!empty($missingRequirements)) {
-      $this->markTestSkipped(implode(PHP_EOL, $missingRequirements));
-    }
-
-    $root = static::getDrupalRoot();
-
-    // Check if required dependencies exist.
-    $annotations = Test::parseTestMethodAnnotations(
-      static::class,
-      $this->getName()
-    );
-    if (!empty($annotations['class']['requires'])) {
-      $this->checkModuleRequirements($root, $annotations['class']['requires']);
-    }
-    if (!empty($annotations['method']['requires'])) {
-      $this->checkModuleRequirements($root, $annotations['method']['requires']);
-    }
-  }
-
-  /**
-   * Checks missing module requirements.
-   *
-   * Iterates through a list of requires annotations and looks for missing
-   * modules. The test will be skipped if any of the required modules is
-   * missing.
-   *
-   * @param string $root
-   *   The path to the root of the Drupal installation to scan.
-   * @param string[] $annotations
-   *   A list of requires annotations from either a method or class annotation.
-   *
-   * @throws \PHPUnit\Framework\SkippedTestError
-   *   Thrown when the requirements are not met, and this test should be
-   *   skipped. Callers should not catch this exception.
-   *
-   * @deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is
-   *   no replacement.
-   *
-   * @see https://www.drupal.org/node/3418480
-   */
-  private function checkModuleRequirements($root, array $annotations) {
-    @trigger_error(__METHOD__ . '() is deprecated in drupal:10.3.0 and is removed from drupal:11.0.0. There is no replacement. See https://www.drupal.org/node/3418480', E_USER_DEPRECATED);
-
-    // Make a list of required modules.
-    $required_modules = [];
-    foreach ($annotations as $requirement) {
-      if (str_starts_with($requirement, 'module ')) {
-        $required_modules[] = trim(str_replace('module ', '', $requirement));
-      }
-    }
-
-    // If there are required modules, check if they're available.
-    if (!empty($required_modules)) {
-      // Scan for modules.
-      $discovery = new ExtensionDiscovery($root, FALSE);
-      $discovery->setProfileDirectories([]);
-      $list = array_keys($discovery->scan('module'));
-      $not_available = array_diff($required_modules, $list);
-      if (!empty($not_available)) {
-        throw new SkippedTestError('Required modules: ' . implode(', ', $not_available));
-      }
-    }
-  }
-
 }