lib/rails_erd/domain/relationship.rb in rails-erd-1.5.2 vs lib/rails_erd/domain/relationship.rb in rails-erd-1.6.0

@@ -19,11 +19,10 @@
         end
 
         private
 
         def association_identity(association)
-          identifier = association_identifier(association).to_s
-          Set[identifier, association_owner(association), association_target(association)]
+          Set[association_owner(association), association_target(association)]
         end
 
         def association_identifier(association)
           if association.macro == :has_and_belongs_to_many
             # Rails 4+ supports the join_table method, and doesn't expose it