diff --git a/tests/test-common.cpp b/tests/test-common.cpp
index fe45dd9..f180a5e 100644
--- a/tests/test-common.cpp
+++ b/tests/test-common.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2014-2017,  Regents of the University of California,
+/*
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -75,9 +75,10 @@
 }
 
 shared_ptr<Interest>
-makeInterest(const Name& name, uint32_t nonce)
+makeInterest(const Name& name, bool canBePrefix, time::milliseconds lifetime, uint32_t nonce)
 {
-  auto interest = make_shared<Interest>(name);
+  auto interest = make_shared<Interest>(name, lifetime);
+  interest->setCanBePrefix(canBePrefix);
   if (nonce != 0) {
     interest->setNonce(nonce);
   }
@@ -109,13 +110,5 @@
   return nack;
 }
 
-lp::Nack
-makeNack(const Name& name, uint32_t nonce, lp::NackReason reason)
-{
-  Interest interest(name);
-  interest.setNonce(nonce);
-  return makeNack(interest, reason);
-}
-
 } // namespace tests
 } // namespace ndn