diff --git a/core/includes/common.inc b/core/includes/common.inc
index 374a5f6b7d39..8a329484e9fb 100644
--- a/core/includes/common.inc
+++ b/core/includes/common.inc
@@ -195,33 +195,6 @@ function base_path() {
   return $GLOBALS['base_path'];
 }
 
-/**
- * Constructs an array of the defaults that are used for JavaScript assets.
- *
- * @param $data
- *   (optional) The default data parameter for the JavaScript asset array.
- *
- * @deprecated in drupal:9.4.0 and is removed from drupal:11.0.0. No direct
- *   replacement is provided.
- *
- * @see https://www.drupal.org/node/3197679
- */
-function drupal_js_defaults($data = NULL) {
-  @trigger_error('drupal_js_defaults() is deprecated in drupal:9.4.0 and is removed from drupal:11.0.0. No direct replacement is provided. See https://www.drupal.org/node/3197679', E_USER_DEPRECATED);
-  return [
-    'type' => 'file',
-    'group' => JS_DEFAULT,
-    'weight' => 0,
-    'scope' => 'header',
-    'cache' => TRUE,
-    'preprocess' => TRUE,
-    'attributes' => [],
-    'version' => NULL,
-    'data' => $data,
-    'browsers' => [],
-  ];
-}
-
 /**
  * Assists in attaching the tableDrag JavaScript behavior to a themed table.
  *
diff --git a/core/tests/Drupal/KernelTests/Core/Asset/AttachedAssetsTest.php b/core/tests/Drupal/KernelTests/Core/Asset/AttachedAssetsTest.php
index 1687bd2a97bc..54700f93f05e 100644
--- a/core/tests/Drupal/KernelTests/Core/Asset/AttachedAssetsTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Asset/AttachedAssetsTest.php
@@ -487,14 +487,4 @@ class AttachedAssetsTest extends KernelTestBase {
     $this->assertStringContainsString('<script src="' . str_replace('&', '&amp;', $this->fileUrlGenerator->generateString('core/modules/system/tests/modules/common_test/querystring.js?arg1=value1&arg2=value2')) . '&amp;' . $query_string . '"></script>', $rendered_js, 'JavaScript file with query string gets version query string correctly appended.');
   }
 
-  /**
-   * Tests deprecated drupal_js_defaults() function.
-   *
-   * @group legacy
-   */
-  public function testDeprecatedDrupalJsDefaults() {
-    $this->expectDeprecation('drupal_js_defaults() is deprecated in drupal:9.4.0 and is removed from drupal:11.0.0. No direct replacement is provided. See https://www.drupal.org/node/3197679');
-    $this->assertIsArray(drupal_js_defaults());
-  }
-
 }