diff --git a/tools/chunks/catchunks/data-fetcher.cpp b/tools/chunks/catchunks/data-fetcher.cpp
index 2e5fc9e..15645b0 100644
--- a/tools/chunks/catchunks/data-fetcher.cpp
+++ b/tools/chunks/catchunks/data-fetcher.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2016-2022, Regents of the University of California,
+ * Copyright (c) 2016-2023, Regents of the University of California,
  *                          Colorado State University,
  *                          University Pierre & Marie Curie, Sorbonne University.
  *
@@ -50,7 +50,7 @@
                          DataCallback onData, FailureCallback onNack, FailureCallback onTimeout,
                          bool isVerbose)
   : m_face(face)
-  , m_scheduler(m_face.getIoService())
+  , m_scheduler(m_face.getIoContext())
   , m_onData(std::move(onData))
   , m_onNack(std::move(onNack))
   , m_onTimeout(std::move(onTimeout))
diff --git a/tools/chunks/catchunks/pipeline-interests-adaptive.cpp b/tools/chunks/catchunks/pipeline-interests-adaptive.cpp
index 891b94e..d4376b7 100644
--- a/tools/chunks/catchunks/pipeline-interests-adaptive.cpp
+++ b/tools/chunks/catchunks/pipeline-interests-adaptive.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2016-2022, Regents of the University of California,
+ * Copyright (c) 2016-2023, Regents of the University of California,
  *                          Colorado State University,
  *                          University Pierre & Marie Curie, Sorbonne University.
  *
@@ -29,7 +29,6 @@
 #include "pipeline-interests-adaptive.hpp"
 #include "data-fetcher.hpp"
 
-#include <cmath>
 #include <iomanip>
 
 namespace ndn::chunks {
@@ -41,7 +40,7 @@
   , m_cwnd(m_options.initCwnd)
   , m_ssthresh(m_options.initSsthresh)
   , m_rttEstimator(rttEstimator)
-  , m_scheduler(m_face.getIoService())
+  , m_scheduler(m_face.getIoContext())
 {
 }
 
diff --git a/tools/chunks/catchunks/pipeline-interests.cpp b/tools/chunks/catchunks/pipeline-interests.cpp
index ec30dd7..b7251ed 100644
--- a/tools/chunks/catchunks/pipeline-interests.cpp
+++ b/tools/chunks/catchunks/pipeline-interests.cpp
@@ -103,7 +103,7 @@
   cancel();
 
   if (m_onFailure) {
-    boost::asio::post(m_face.getIoService(), [this, reason] { m_onFailure(reason); });
+    boost::asio::post(m_face.getIoContext(), [this, reason] { m_onFailure(reason); });
   }
 }