diff --git a/docling_core/types/doc/document.py b/docling_core/types/doc/document.py
index d9c1cc5..0f11001 100644
--- a/docling_core/types/doc/document.py
+++ b/docling_core/types/doc/document.py
@@ -1372,7 +1372,6 @@ class KeyValueItem(DocItem):
         PictureItem,
         TableItem,
         KeyValueItem,
-        CodeItem,
     ],
     Field(discriminator="label"),
 ]