diff --git a/model/null-transport.hpp b/model/null-transport.hpp
index 3c27e1f..07858d0 100644
--- a/model/null-transport.hpp
+++ b/model/null-transport.hpp
@@ -54,7 +54,7 @@
   }
 
   void
-  doSend(const Block& packet, const nfd::EndpointId& endpoint) final
+  doSend(const Block& packet) final
   {
   }
 };