diff --git a/lib/internal/Magento/Framework/Api/AbstractExtensibleObject.php b/lib/internal/Magento/Framework/Api/AbstractExtensibleObject.php
index 97c24167d47e1..902709bbedcd3 100644
--- a/lib/internal/Magento/Framework/Api/AbstractExtensibleObject.php
+++ b/lib/internal/Magento/Framework/Api/AbstractExtensibleObject.php
@@ -11,7 +11,10 @@
  * Base Class for extensible data Objects
  *
  * @SuppressWarnings(PHPMD.NumberOfChildren)
+ * phpcs:disable Magento2.Classes.AbstractApi
  * @api
+ * @deprecated
+ * @see \Magento\Framework\Model\AbstractExtensibleModel
  */
 abstract class AbstractExtensibleObject extends AbstractSimpleObject implements CustomAttributesDataInterface
 {
diff --git a/lib/internal/Magento/Framework/Model/AbstractExtensibleModel.php b/lib/internal/Magento/Framework/Model/AbstractExtensibleModel.php
index c1f44da5b2f19..5484103cc27ef 100644
--- a/lib/internal/Magento/Framework/Model/AbstractExtensibleModel.php
+++ b/lib/internal/Magento/Framework/Model/AbstractExtensibleModel.php
@@ -15,6 +15,8 @@
  * This class defines basic data structure of how custom attributes are stored in an ExtensibleModel.
  * Implementations may choose to process custom attributes as their persistence requires them to.
  * @SuppressWarnings(PHPMD.NumberOfChildren)
+ * phpcs:disable Magento2.Classes.AbstractApi
+ * @api
  */
 abstract class AbstractExtensibleModel extends AbstractModel implements
     \Magento\Framework\Api\CustomAttributesDataInterface