diff --git a/core/lib/Drupal/Core/Field/FallbackFieldTypeCategory.php b/core/lib/Drupal/Core/Field/FallbackFieldTypeCategory.php
index d8319d28d501ef47a34a18de757bbf4e285a309c..1794c8b32c5744e292e38f91b605f3e2221e906e 100644
--- a/core/lib/Drupal/Core/Field/FallbackFieldTypeCategory.php
+++ b/core/lib/Drupal/Core/Field/FallbackFieldTypeCategory.php
@@ -13,7 +13,7 @@ class FallbackFieldTypeCategory extends FieldTypeCategory {
   public function __construct(array $configuration, string $plugin_id, array $plugin_definition) {
     $plugin_id = $configuration['unique_identifier'];
     $plugin_definition = [
-      'label' => $configuration['label'] ?? '',
+      'label' => $configuration['label'],
       'description' => $configuration['description'] ?? '',
       'weight' => $configuration['weight'] ?? 0,
     ] + $plugin_definition;
diff --git a/core/lib/Drupal/Core/Field/FieldTypeCategory.php b/core/lib/Drupal/Core/Field/FieldTypeCategory.php
index 168616102e1b48ee7dd32544db14cf48c9046cdb..a0128b1bdf84ac2c4cd0942aa38f17038828dd19 100644
--- a/core/lib/Drupal/Core/Field/FieldTypeCategory.php
+++ b/core/lib/Drupal/Core/Field/FieldTypeCategory.php
@@ -3,7 +3,6 @@
 namespace Drupal\Core\Field;
 
 use Drupal\Core\Plugin\PluginBase;
-use Drupal\Core\StringTranslation\TranslatableMarkup;
 
 /**
  * Default object used for field_type_categories plugins.
@@ -15,14 +14,14 @@ class FieldTypeCategory extends PluginBase implements FieldTypeCategoryInterface
   /**
    * {@inheritdoc}
    */
-  public function getLabel(): TranslatableMarkup {
+  public function getLabel(): string|\Stringable {
     return $this->pluginDefinition['label'];
   }
 
   /**
    * {@inheritdoc}
    */
-  public function getDescription(): TranslatableMarkup {
+  public function getDescription(): string|\Stringable {
     return $this->pluginDefinition['description'];
   }
 
diff --git a/core/lib/Drupal/Core/Field/FieldTypeCategoryInterface.php b/core/lib/Drupal/Core/Field/FieldTypeCategoryInterface.php
index 3727df1bb778c45a58fa488588c49713547e7723..e22a07cce0aa461b33aea98ea46d9df53d527ec6 100644
--- a/core/lib/Drupal/Core/Field/FieldTypeCategoryInterface.php
+++ b/core/lib/Drupal/Core/Field/FieldTypeCategoryInterface.php
@@ -2,8 +2,6 @@
 
 namespace Drupal\Core\Field;
 
-use Drupal\Core\StringTranslation\TranslatableMarkup;
-
 /**
  * Provides an object that returns the category info about the field type.
  */
@@ -12,18 +10,18 @@ interface FieldTypeCategoryInterface {
   /**
    * Returns the field group label.
    *
-   * @return \Drupal\Core\StringTranslation\TranslatableMarkup
+   * @return string|\Stringable
    *   The category label.
    */
-  public function getLabel(): TranslatableMarkup;
+  public function getLabel(): string|\Stringable;
 
   /**
    * Returns the field group description.
    *
-   * @return \Drupal\Core\StringTranslation\TranslatableMarkup
+   * @return string|\Stringable
    *   The category description.
    */
-  public function getDescription(): TranslatableMarkup;
+  public function getDescription(): string|\Stringable;
 
   /**
    * Returns the field group weight.
diff --git a/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldType/TestItem.php b/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldType/TestItem.php
index 91beba0e633b4769be98c3549608c1fc5b0b6f31..2f64264b54dd3c46b2c335c08715ff31902f06a1 100644
--- a/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldType/TestItem.php
+++ b/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldType/TestItem.php
@@ -14,7 +14,6 @@
  * @FieldType(
  *   id = "test_field",
  *   label = @Translation("Test field"),
- *   description = @Translation("Dummy field type used for tests."),
  *   default_widget = "test_field_widget",
  *   default_formatter = "field_test_default"
  * )
diff --git a/core/modules/field_ui/tests/src/Functional/ManageFieldsTest.php b/core/modules/field_ui/tests/src/Functional/ManageFieldsTest.php
index 35d8d9ad21ddaf362ab2240100bc2f940dee70ad..e037cb519ef944b8e4115f65964b3d81c057ef0d 100644
--- a/core/modules/field_ui/tests/src/Functional/ManageFieldsTest.php
+++ b/core/modules/field_ui/tests/src/Functional/ManageFieldsTest.php
@@ -371,4 +371,18 @@ public function testFieldUiDefinitionsAlter() {
     $this->assertSession()->pageTextContains('Boolean (overridden by alter)');
   }
 
+  /**
+   * Ensure field category fallback works for field types without a description.
+   */
+  public function testFieldCategoryFallbackWithoutDescription() {
+    $user = $this->drupalCreateUser(['administer node fields']);
+    $node_type = $this->drupalCreateContentType();
+    $this->drupalLogin($user);
+    $this->drupalGet('/admin/structure/types/manage/' . $node_type->id() . '/fields/add-field');
+    $field_type = $this->assertSession()->elementExists('xpath', '//label[text()="Test field"]');
+    $description_container = $field_type->getParent()->find('css', '.field-option__description');
+    $this->assertNotNull($description_container);
+    $this->assertEquals('', $description_container->getText());
+  }
+
 }