diff --git a/app/serializers/cerfa_serializer.rb b/app/serializers/cerfa_serializer.rb
index 54fccc911..e1a6c6d81 100644
--- a/app/serializers/cerfa_serializer.rb
+++ b/app/serializers/cerfa_serializer.rb
@@ -1,6 +1,4 @@
 class CerfaSerializer < ActiveModel::Serializer
 
   attributes :content_url => :url
-
-  has_one :type_de_champ
 end
\ No newline at end of file