diff --git a/src/handles/write-handle.hpp b/src/handles/write-handle.hpp
index 04ed3f5..50cd335 100644
--- a/src/handles/write-handle.hpp
+++ b/src/handles/write-handle.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2022, Regents of the University of California.
+ * Copyright (c) 2014-2023, Regents of the University of California.
  *
  * This file is part of NDN repo-ng (Next generation of NDN repository).
  * See AUTHORS.md for complete list of repo-ng authors and contributors.
@@ -124,13 +124,13 @@
    * @brief fetch segmented data
    */
   void
-  onSegmentData(ndn::util::SegmentFetcher& fetcher, const Data& data, ProcessId processId);
+  onSegmentData(ndn::SegmentFetcher& fetcher, const Data& data, ProcessId processId);
 
   /**
    * @brief handle when fetching segmented data timeout
    */
   void
-  onSegmentTimeout(ndn::util::SegmentFetcher& fetcher, ProcessId processId);
+  onSegmentTimeout(ndn::SegmentFetcher& fetcher, ProcessId processId);
 
   /**
    * @brief initiate fetching segmented data