diff --git a/core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeField.php b/core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeFieldItemList.php
similarity index 97%
rename from core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeField.php
rename to core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeFieldItemList.php
index b680e4b..4ef5858 100644
--- a/core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeField.php
+++ b/core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeFieldItemList.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains \Drupal\datetime\Plugin\field\field_type\DateItemField.
+ * Contains \Drupal\datetime\Plugin\field\field_type\DateItemFieldItemList.
  */
 
 namespace Drupal\datetime\Plugin\field\field_type;
@@ -13,7 +13,7 @@
 /**
  * Represents a configurable entity datetime field.
  */
-class DateTimeField extends ConfigFieldItemList {
+class DateTimeFieldItemList extends ConfigFieldItemList {
 
   /**
    * Defines the default value as now.
diff --git a/core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeItem.php b/core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeItem.php
index e38a575..8e35d48 100644
--- a/core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeItem.php
+++ b/core/modules/datetime/lib/Drupal/datetime/Plugin/field/field_type/DateTimeItem.php
@@ -26,7 +26,7 @@
  *   },
  *   default_widget = "datetime_default",
  *   default_formatter = "datetime_default",
- *   list_class = "\Drupal\datetime\Plugin\field\field_type\DateTimeField"
+ *   list_class = "\Drupal\datetime\Plugin\field\field_type\DateTimeFieldItemList"
  * )
  */
 class DateTimeItem extends ConfigFieldItemBase implements PrepareCacheInterface {