diff --git a/core/lib/Drupal/Core/Recipe/InputConfigurator.php b/core/lib/Drupal/Core/Recipe/InputConfigurator.php
index c9f1347a836..9b324ed29aa 100644
--- a/core/lib/Drupal/Core/Recipe/InputConfigurator.php
+++ b/core/lib/Drupal/Core/Recipe/InputConfigurator.php
@@ -72,7 +72,7 @@ final class InputConfigurator {
         $definition['constraints'],
       );
       $data_definition->setSettings($definition);
-      $this->data[$name] = $typedDataManager->create($data_definition, name: "$prefix.$name");
+      $this->data[$name] = $typedDataManager->create($data_definition);
     }
   }
 
@@ -112,9 +112,9 @@ final class InputConfigurator {
     foreach ($this->dependencies->recipes as $dependency) {
       $descriptions = array_merge($descriptions, $dependency->input->describeAll());
     }
-    foreach ($this->data as $data) {
-      $name = $data->getName();
-      $descriptions[$name] = $data->getDataDefinition()->getDescription();
+    foreach ($this->getDataDefinitions() as $key => $definition) {
+      $name = $this->prefix . '.' . $key;
+      $descriptions[$name] = $definition->getDescription();
     }
     return $descriptions;
   }
@@ -153,7 +153,7 @@ final class InputConfigurator {
       $definition = $data->getDataDefinition();
 
       $value = $collector->collectValue(
-        $data->getName(),
+        $this->prefix . '.' . $key,
         $definition,
         $this->getDefaultValue($definition),
       );
@@ -161,7 +161,7 @@ final class InputConfigurator {
 
       $violations = $data->validate();
       if (count($violations) > 0) {
-        throw new ValidationFailedException($data, $violations);
+        throw new ValidationFailedException($value, $violations);
       }
       $this->values[$key] = $data->getCastedValue();
     }
diff --git a/core/lib/Drupal/Core/Recipe/Recipe.php b/core/lib/Drupal/Core/Recipe/Recipe.php
index a09dc17de66..5e0d55b2e13 100644
--- a/core/lib/Drupal/Core/Recipe/Recipe.php
+++ b/core/lib/Drupal/Core/Recipe/Recipe.php
@@ -9,7 +9,6 @@ use Drupal\Core\Extension\Dependency;
 use Drupal\Core\Extension\ModuleExtensionList;
 use Drupal\Core\Extension\ThemeExtensionList;
 use Drupal\Component\Serialization\Yaml;
-use Drupal\Core\Render\Element;
 use Drupal\Core\TypedData\PrimitiveInterface;
 use Drupal\Core\Validation\Plugin\Validation\Constraint\RegexConstraint;
 use Symfony\Component\Validator\Constraints\All;
@@ -204,8 +203,8 @@ final class Recipe {
                   'interface' => PrimitiveInterface::class,
                 ]),
               ],
-              // The `prompt` and `form` elements, though optional, have their
-              // own sets of constraints,
+              // If there is a `prompt` element, it has its own set of
+              // constraints.
               'prompt' => new Optional([
                 new Collection([
                   'method' => [
@@ -216,19 +215,6 @@ final class Recipe {
                   ]),
                 ]),
               ]),
-              'form' => new Optional([
-                new Sequentially([
-                  new Type('associative_array'),
-                  // Every element in the `form` array has to be a form API
-                  // property, prefixed with `#`. Because recipe inputs can only
-                  // be primitive data types, child elements aren't allowed.
-                  new Callback(function (array $element, ExecutionContextInterface $context): void {
-                    if (Element::children($element)) {
-                      $context->addViolation('Form elements for recipe inputs cannot have child elements.');
-                    }
-                  }),
-                ]),
-              ]),
               // Every input must define a default value.
               'default' => new Required([
                 new Collection([
diff --git a/core/lib/Drupal/Core/Recipe/RecipeInputFormTrait.php b/core/lib/Drupal/Core/Recipe/RecipeInputFormTrait.php
deleted file mode 100644
index 5327c9e315c..00000000000
--- a/core/lib/Drupal/Core/Recipe/RecipeInputFormTrait.php
+++ /dev/null
@@ -1,151 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Drupal\Core\Recipe;
-
-use Drupal\Component\Utility\NestedArray;
-use Drupal\Core\Form\FormStateInterface;
-use Drupal\Core\TypedData\DataDefinitionInterface;
-use Drupal\Core\TypedData\TypedDataInterface;
-use Symfony\Component\Validator\Exception\ValidationFailedException;
-
-/**
- * Defines helper methods for forms which collect input on behalf of recipes.
- */
-trait RecipeInputFormTrait {
-
-  /**
-   * Generates a tree of form elements for a recipe's inputs.
-   *
-   * @param \Drupal\Core\Recipe\Recipe $recipe
-   *   A recipe.
-   *
-   * @return array[]
-   *   A nested array of form elements for collecting input values for the given
-   *   recipe and its dependencies. The elements will be grouped by the recipe
-   *   that defined the input -- for example, $return['recipe_name']['input1'],
-   *   $return['recipe_name']['input2'], $return['dependency']['input_name'],
-   *   and so forth. The returned array will have the `#tree` property set to
-   *   TRUE.
-   */
-  protected function buildRecipeInputForm(Recipe $recipe): array {
-    $collector = new class () implements InputCollectorInterface {
-
-      /**
-       * A form array containing the input elements for the given recipe.
-       *
-       * This will be a tree of input elements, grouped by the name of the
-       * recipe that defines them. For example:
-       *
-       * @code
-       * $form = [
-       *   'recipe_1' => [
-       *     'input_1' => [
-       *       '#type' => 'textfield',
-       *       '#title' => 'Some input value',
-       *     ],
-       *     'input_2' => [
-       *       '#type' => 'checkbox',
-       *       '#title' => 'Enable some feature or other?',
-       *     ],
-       *   ],
-       *   'dependency_recipe' => [
-       *     'input_1' => [
-       *       '#type' => 'textarea',
-       *       '#title' => 'An input defined by a dependency of recipe_1',
-       *     ],
-       *   ],
-       *   '#tree' => TRUE,
-       * ];
-       * @endcode
-       *
-       * The `#tree` property will always be set to TRUE.
-       *
-       * @var array
-       */
-      // phpcs:ignore DrupalPractice.CodeAnalysis.VariableAnalysis.UnusedVariable
-      public array $form = [];
-
-      /**
-       * {@inheritdoc}
-       */
-      public function collectValue(string $name, DataDefinitionInterface $definition, mixed $default_value): mixed {
-        $element = $definition->getSetting('form');
-        if ($element) {
-          $element += [
-            '#description' => $definition->getDescription(),
-            '#default_value' => $default_value,
-          ];
-          // Recipe inputs are always required.
-          $element['#required'] = TRUE;
-          NestedArray::setValue($this->form, explode('.', $name, 2), $element);
-
-          // Always return the input elements as a tree.
-          $this->form['#tree'] = TRUE;
-        }
-        return $default_value;
-      }
-
-    };
-    $recipe->input->collectAll($collector);
-    return $collector->form;
-  }
-
-  /**
-   * Validates user-inputted values to a recipe and its dependencies.
-   *
-   * @param \Drupal\Core\Recipe\Recipe $recipe
-   *   A recipe.
-   * @param array $form
-   *   The form being validated, which should include the tree of elements
-   *   returned by ::buildRecipeInputForm().
-   * @param \Drupal\Core\Form\FormStateInterface $form_state
-   *   The current form state. The values should be organized in the tree
-   *   structure that was returned by ::buildRecipeInputForm().
-   */
-  protected function validateRecipeInput(Recipe $recipe, array &$form, FormStateInterface $form_state): void {
-    try {
-      $this->setRecipeInput($recipe, $form_state);
-    }
-    catch (ValidationFailedException $e) {
-      $data = $e->getValue();
-
-      if ($data instanceof TypedDataInterface) {
-        $element = NestedArray::getValue($form, explode('.', $data->getName(), 2));
-        $form_state->setError($element, $e->getMessage());
-      }
-      else {
-        // If the data isn't a typed data object, we have no idea how to handle
-        // the situation, so just re-throw the exception.
-        throw $e;
-      }
-    }
-  }
-
-  /**
-   * Supplies user-inputted values to a recipe and its dependencies.
-   *
-   * @param \Drupal\Core\Recipe\Recipe $recipe
-   *   A recipe.
-   * @param \Drupal\Core\Form\FormStateInterface $form_state
-   *   The current form state. The values should be organized in the tree
-   *   structure that was returned by ::buildRecipeInputForm().
-   */
-  protected function setRecipeInput(Recipe $recipe, FormStateInterface $form_state): void {
-    $recipe->input->collectAll(new class ($form_state) implements InputCollectorInterface {
-
-      public function __construct(private readonly FormStateInterface $formState) {
-      }
-
-      /**
-       * {@inheritdoc}
-       */
-      public function collectValue(string $name, DataDefinitionInterface $definition, mixed $default_value): mixed {
-        return $this->formState->getValue(explode('.', $name, 2), $default_value);
-      }
-
-    });
-  }
-
-}
diff --git a/core/modules/system/tests/modules/form_test/form_test.routing.yml b/core/modules/system/tests/modules/form_test/form_test.routing.yml
index 54b3d115323..be0a1a34a8b 100644
--- a/core/modules/system/tests/modules/form_test/form_test.routing.yml
+++ b/core/modules/system/tests/modules/form_test/form_test.routing.yml
@@ -564,10 +564,3 @@ form_test.incorrect_config_target:
     _admin_route: TRUE
   requirements:
     _access: 'TRUE'
-
-form_test.recipe_input:
-  path: '/form-test/recipe-input'
-  defaults:
-    _form: '\Drupal\form_test\Form\FormTestRecipeInputForm'
-  requirements:
-    _access: 'TRUE'
diff --git a/core/modules/system/tests/modules/form_test/src/Form/FormTestRecipeInputForm.php b/core/modules/system/tests/modules/form_test/src/Form/FormTestRecipeInputForm.php
deleted file mode 100644
index 0619e4afd3a..00000000000
--- a/core/modules/system/tests/modules/form_test/src/Form/FormTestRecipeInputForm.php
+++ /dev/null
@@ -1,63 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Drupal\form_test\Form;
-
-use Drupal\Core\Form\FormBase;
-use Drupal\Core\Form\FormStateInterface;
-use Drupal\Core\Recipe\Recipe;
-use Drupal\Core\Recipe\RecipeInputFormTrait;
-use Drupal\Core\Recipe\RecipeRunner;
-
-class FormTestRecipeInputForm extends FormBase {
-
-  use RecipeInputFormTrait;
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getFormId(): string {
-    return 'form_test_recipe_input';
-  }
-
-  /**
-   * Returns the recipe object under test.
-   *
-   * @return \Drupal\Core\Recipe\Recipe
-   *   A Recipe object for the input_test recipe.
-   */
-  private function getRecipe(): Recipe {
-    return Recipe::createFromDirectory('core/tests/fixtures/recipes/input_test');
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function buildForm(array $form, FormStateInterface $form_state): array {
-    $form += $this->buildRecipeInputForm($this->getRecipe());
-
-    $form['apply'] = [
-      '#type' => 'submit',
-      '#value' => $this->t('Apply recipe'),
-    ];
-    return $form;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function validateForm(array &$form, FormStateInterface $form_state): void {
-    $this->validateRecipeInput($this->getRecipe(), $form, $form_state);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function submitForm(array &$form, FormStateInterface $form_state): void {
-    $recipe = $this->getRecipe();
-    $this->setRecipeInput($recipe, $form_state);
-    RecipeRunner::processRecipe($recipe);
-  }
-
-}
diff --git a/core/modules/system/tests/src/Functional/Form/RecipeFormInputTest.php b/core/modules/system/tests/src/Functional/Form/RecipeFormInputTest.php
deleted file mode 100644
index 35303b740cd..00000000000
--- a/core/modules/system/tests/src/Functional/Form/RecipeFormInputTest.php
+++ /dev/null
@@ -1,52 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Drupal\Tests\system\Functional\Form;
-
-use Drupal\Tests\BrowserTestBase;
-
-/**
- * @covers \Drupal\Core\Recipe\RecipeInputFormTrait
- * @group system
- */
-class RecipeFormInputTest extends BrowserTestBase {
-
-  /**
-   * {@inheritdoc}
-   */
-  protected static $modules = ['form_test'];
-
-  /**
-   * {@inheritdoc}
-   */
-  protected $defaultTheme = 'stark';
-
-  /**
-   * Tests collecting recipe input via a form.
-   */
-  public function testRecipeInputViaForm(): void {
-    $this->drupalGet('/form-test/recipe-input');
-
-    $assert_session = $this->assertSession();
-    // There should only be one nested input element on the page: the one
-    // defined by the input_test recipe.
-    $assert_session->elementsCount('css', 'input[name*="["]', 1);
-    // The default value and description should be visible.
-    $assert_session->fieldValueEquals('input_test[owner]', 'Dries Buytaert');
-    $assert_session->pageTextContains('The name of the site owner.');
-    // All recipe inputs are required.
-    $this->submitForm(['input_test[owner]' => ''], 'Apply recipe');
-    $assert_session->statusMessageContains("Site owner's name field is required.", 'error');
-    // All inputs should be validated with their own constraints.
-    $this->submitForm(['input_test[owner]' => 'Hacker Joe'], 'Apply recipe');
-    $assert_session->statusMessageContains("I don't think you should be owning sites.", 'error');
-    // The correct element should be flagged as invalid.
-    $assert_session->elementAttributeExists('named', ['field', 'input_test[owner]'], 'aria-invalid');
-    // Submit the form with a valid value and apply the recipe, to prove that
-    // it was passed through correctly.
-    $this->submitForm(['input_test[owner]' => 'Legitimate Human'], 'Apply recipe');
-    $this->assertSame("Legitimate Human's Turf", $this->config('system.site')->get('name'));
-  }
-
-}
diff --git a/core/recipes/feedback_contact_form/recipe.yml b/core/recipes/feedback_contact_form/recipe.yml
index c6bf74cf40c..084f2712537 100644
--- a/core/recipes/feedback_contact_form/recipe.yml
+++ b/core/recipes/feedback_contact_form/recipe.yml
@@ -13,9 +13,6 @@ input:
       method: ask
       arguments:
         question: 'What email address should receive website feedback?'
-    form:
-      '#type': email
-      '#title': 'Feedback form email address'
     default:
       source: config
       config: ['system.site', 'mail']
diff --git a/core/tests/Drupal/KernelTests/Core/Recipe/InputTest.php b/core/tests/Drupal/KernelTests/Core/Recipe/InputTest.php
index cc60172a960..c366883e290 100644
--- a/core/tests/Drupal/KernelTests/Core/Recipe/InputTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Recipe/InputTest.php
@@ -11,7 +11,6 @@ use Drupal\Core\Recipe\InputCollectorInterface;
 use Drupal\Core\Recipe\Recipe;
 use Drupal\Core\Recipe\RecipeRunner;
 use Drupal\Core\TypedData\DataDefinitionInterface;
-use Drupal\Core\TypedData\TypedDataInterface;
 use Drupal\FunctionalTests\Core\Recipe\RecipeTestTrait;
 use Drupal\KernelTests\KernelTestBase;
 use Symfony\Component\Console\Input\InputInterface;
@@ -80,9 +79,7 @@ class InputTest extends KernelTestBase {
       $this->fail('Expected an exception due to validation failure, but none was thrown.');
     }
     catch (ValidationFailedException $e) {
-      $value = $e->getValue();
-      $this->assertInstanceOf(TypedDataInterface::class, $value);
-      $this->assertSame('not-an-email-address', $value->getValue());
+      $this->assertSame('not-an-email-address', $e->getValue());
       $this->assertSame('This value is not a valid email address.', (string) $e->getViolations()->get(0)->getMessage());
     }
   }
diff --git a/core/tests/Drupal/KernelTests/Core/Recipe/RecipeValidationTest.php b/core/tests/Drupal/KernelTests/Core/Recipe/RecipeValidationTest.php
index 5829898f176..fe736e90062 100644
--- a/core/tests/Drupal/KernelTests/Core/Recipe/RecipeValidationTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Recipe/RecipeValidationTest.php
@@ -505,88 +505,6 @@ YAML,
         '[input][foo][prompt][arguments]' => ['This value should be of type array.'],
       ],
     ];
-    yield 'form element is not an array' => [
-      <<<YAML
-name: Bad input definitions
-input:
-  foo:
-    data_type: string
-    description: 'Form element must be array'
-    form: true
-    default:
-      source: value
-      value: Here be dragons
-YAML,
-      [
-        '[input][foo][form]' => ['This value should be of type associative_array.'],
-      ],
-    ];
-    yield 'form element is an indexed array' => [
-      <<<YAML
-name: Bad input definitions
-input:
-  foo:
-    data_type: string
-    description: 'Form element must be associative'
-    form: [text]
-    default:
-      source: value
-      value: Here be dragons
-YAML,
-      [
-        '[input][foo][form]' => ['This value should be of type associative_array.'],
-      ],
-    ];
-    yield 'form element is an empty array' => [
-      <<<YAML
-name: Bad input definitions
-input:
-  foo:
-    data_type: string
-    description: 'Form elements cannot be empty'
-    form: []
-    default:
-      source: value
-      value: Here be dragons
-YAML,
-      [
-        '[input][foo][form]' => ['This value should be of type associative_array.'],
-      ],
-    ];
-    yield 'form element has children' => [
-      <<<YAML
-name: Bad input definitions
-input:
-  foo:
-    data_type: string
-    description: 'Form elements cannot have children'
-    form:
-      '#type': textfield
-      child:
-        '#type': select
-    default:
-      source: value
-      value: Here be dragons
-YAML,
-      [
-        '[input][foo][form]' => ['Form elements for recipe inputs cannot have child elements.'],
-      ],
-    ];
-    yield 'Valid form element' => [
-      <<<YAML
-name: Form input definitions
-input:
-  foo:
-    data_type: string
-    description: 'This has a valid form element'
-    form:
-      '#type': textfield
-    default:
-      source: value
-      value: Here be dragons
-YAML,
-      NULL,
-    ];
     yield 'input definition without default value' => [
       <<<YAML
 name: Bad input definitions
diff --git a/core/tests/fixtures/recipes/input_test/recipe.yml b/core/tests/fixtures/recipes/input_test/recipe.yml
deleted file mode 100644
index 5558ada7c9b..00000000000
--- a/core/tests/fixtures/recipes/input_test/recipe.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-name: Input Test
-input:
-  owner:
-    data_type: string
-    description: 'The name of the site owner.'
-    constraints:
-      Regex:
-        pattern: '/hack/i'
-        match: false
-        message: "I don't think you should be owning sites."
-    form:
-      '#type': textfield
-      '#title': "Site owner's name"
-    default:
-      source: value
-      value: 'Dries Buytaert'
-config:
-  actions:
-    system.site:
-      simpleConfigUpdate:
-        name: "${owner}'s Turf"