diff --git a/idl/pEpACIDLang.yml2 b/idl/pEpACIDLang.yml2
index 548af1e..4cbfeff 100644
--- a/idl/pEpACIDLang.yml2
+++ b/idl/pEpACIDLang.yml2
@@ -70,7 +70,6 @@ decl as @type;
 // enum
 decl enum @name;
 decl item @name;
-decl hex is item (output=hex);
 
 // struct
 decl struct @name;