diff --git a/app/controllers/api/v1/sites_controller.rb b/app/controllers/api/v1/sites_controller.rb
index b35b0edf..2b67864e 100644
--- a/app/controllers/api/v1/sites_controller.rb
+++ b/app/controllers/api/v1/sites_controller.rb
@@ -62,11 +62,12 @@ module Api
         Site.all.order(:name).pluck(:name)
       end
 
-      # Dominios alternativos
+      # Dominios alternativos, incluyendo todas las clases derivadas de
+      # esta.
       #
       # @return [Array<String>]
       def alternative_names
-        hostname_of(DeployAlternativeDomain.all).concat(hostname_of(DeployLocalizedDomain))
+        hostname_of(DeployAlternativeDomain.all)
       end
 
       # Obtener todos los sitios con API habilitada, es decir formulario