diff --git a/itl/types.conf b/itl/types.conf
index 3db61c0f8..1a7d358dd 100644
--- a/itl/types.conf
+++ b/itl/types.conf
@@ -18,9 +18,6 @@
  ******************************************************************************/
 
 type DynamicObject {
-	%require "__abstract",
-	%attribute number "__abstract",
-
 	%require "__local",
 	%attribute number "__local",
 
diff --git a/lib/config/configtype.cpp b/lib/config/configtype.cpp
index 669269c80..9d8620fcd 100644
--- a/lib/config/configtype.cpp
+++ b/lib/config/configtype.cpp
@@ -55,7 +55,7 @@ void ConfigType::ValidateItem(const ConfigItem::Ptr& item) const
 	Dictionary::Ptr attrs = item->Link();
 
 	/* Don't validate abstract items. */
-	if (attrs->Get("__abstract"))
+	if (item->IsAbstract())
 		return;
 
 	vector<String> locations;