diff --git a/tools/chunks/catchunks/discover-version.cpp b/tools/chunks/catchunks/discover-version.cpp
index 78b7c41..3a4309c 100644
--- a/tools/chunks/catchunks/discover-version.cpp
+++ b/tools/chunks/catchunks/discover-version.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2016-2017, Regents of the University of California,
+ * Copyright (c) 2016-2019, Regents of the University of California,
  *                          Colorado State University,
  *                          University Pierre & Marie Curie, Sorbonne University.
  *
@@ -50,12 +50,6 @@
 }
 
 void
-DiscoverVersion::handleData(const Interest& interest, const Data& data)
-{
-  onDiscoverySuccess(data);
-}
-
-void
 DiscoverVersion::handleNack(const Interest& interest, const std::string& reason)
 {
   onDiscoveryFailure(reason);