diff --git a/tests/unit/clock-fixture.cpp b/tests/unit/clock-fixture.cpp
index 0efe19c..07afd85 100644
--- a/tests/unit/clock-fixture.cpp
+++ b/tests/unit/clock-fixture.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -24,8 +24,8 @@
 namespace ndn::tests {
 
 ClockFixture::ClockFixture()
-  : m_steadyClock(make_shared<time::UnitTestSteadyClock>())
-  , m_systemClock(make_shared<time::UnitTestSystemClock>())
+  : m_steadyClock(std::make_shared<time::UnitTestSteadyClock>())
+  , m_systemClock(std::make_shared<time::UnitTestSystemClock>())
 {
   time::setCustomClocks(m_steadyClock, m_systemClock);
 }
diff --git a/tests/unit/clock-fixture.hpp b/tests/unit/clock-fixture.hpp
index a0309ae..d4a2c96 100644
--- a/tests/unit/clock-fixture.hpp
+++ b/tests/unit/clock-fixture.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -74,8 +74,8 @@
   }
 
 protected:
-  shared_ptr<time::UnitTestSteadyClock> m_steadyClock;
-  shared_ptr<time::UnitTestSystemClock> m_systemClock;
+  std::shared_ptr<time::UnitTestSteadyClock> m_steadyClock;
+  std::shared_ptr<time::UnitTestSystemClock> m_systemClock;
 };
 
 } // namespace ndn::tests
diff --git a/tests/unit/detail/cancel-handle.t.cpp b/tests/unit/detail/cancel-handle.t.cpp
index e35fe55..173811c 100644
--- a/tests/unit/detail/cancel-handle.t.cpp
+++ b/tests/unit/detail/cancel-handle.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -106,10 +106,10 @@
 BOOST_AUTO_TEST_CASE(MoveConstruct)
 {
   int nCancels = 0;
-  unique_ptr<ScopedTestHandle> hdl1;
+  std::unique_ptr<ScopedTestHandle> hdl1;
   {
     ScopedTestHandle hdl2 = makeDummyCancelHandle(nCancels);
-    hdl1 = make_unique<ScopedTestHandle>(std::move(hdl2));
+    hdl1 = std::make_unique<ScopedTestHandle>(std::move(hdl2));
   } // hdl2 goes out of scope
   BOOST_CHECK_EQUAL(nCancels, 0);
   hdl1.reset();
diff --git a/tests/unit/encoding/buffer-stream.t.cpp b/tests/unit/encoding/buffer-stream.t.cpp
index 7442299..e505c3d 100644
--- a/tests/unit/encoding/buffer-stream.t.cpp
+++ b/tests/unit/encoding/buffer-stream.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -32,7 +32,7 @@
 {
   OBufferStream os;
 
-  shared_ptr<Buffer> buf = os.buf();
+  std::shared_ptr<Buffer> buf = os.buf();
   BOOST_CHECK_EQUAL(buf->size(), 0);
 }
 
@@ -42,7 +42,7 @@
   os.put(0x33);
   os.put(0x44);
 
-  shared_ptr<Buffer> buf = os.buf();
+  std::shared_ptr<Buffer> buf = os.buf();
   BOOST_REQUIRE_EQUAL(buf->size(), 2);
   BOOST_CHECK_EQUAL(buf->at(0), 0x33);
   BOOST_CHECK_EQUAL(buf->at(1), 0x44);
@@ -53,7 +53,7 @@
   OBufferStream os;
   os.write("\x11\x22", 2);
 
-  shared_ptr<Buffer> buf = os.buf();
+  std::shared_ptr<Buffer> buf = os.buf();
   BOOST_REQUIRE_EQUAL(buf->size(), 2);
   BOOST_CHECK_EQUAL(buf->at(0), 0x11);
   BOOST_CHECK_EQUAL(buf->at(1), 0x22);
@@ -61,7 +61,7 @@
 
 BOOST_AUTO_TEST_CASE(Destructor) // Bug 3727
 {
-  auto os = make_unique<OBufferStream>();
+  auto os = std::make_unique<OBufferStream>();
   auto buf = os->buf();
   *os << 'x';
   // do NOT flush or call buf() here
diff --git a/tests/unit/net/dns.t.cpp b/tests/unit/net/dns.t.cpp
index 17c5438..c1e8679 100644
--- a/tests/unit/net/dns.t.cpp
+++ b/tests/unit/net/dns.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/net/dns.hpp"
+#include "ndn-cxx/detail/common.hpp"
 
 #include "tests/boost-test.hpp"
 #include "tests/unit/net/network-configuration-detector.hpp"
diff --git a/tests/unit/util/rtt-estimator.t.cpp b/tests/unit/util/rtt-estimator.t.cpp
index 7070fb0..0d3877e 100644
--- a/tests/unit/util/rtt-estimator.t.cpp
+++ b/tests/unit/util/rtt-estimator.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2016-2023, Regents of the University of California,
+ * Copyright (c) 2016-2024, Regents of the University of California,
  *                          Colorado State University,
  *                          University Pierre & Marie Curie, Sorbonne University.
  *
@@ -58,7 +58,7 @@
 
 BOOST_AUTO_TEST_CASE(EstimatedRto)
 {
-  auto opts = make_shared<RttEstimator::Options>();
+  auto opts = std::make_shared<RttEstimator::Options>();
   opts->initialRto = 400_ms;
   opts->maxRto = 2_s;
   RttEstimator rttEstimator(opts);
@@ -112,7 +112,7 @@
 
 BOOST_AUTO_TEST_CASE(BackoffRto)
 {
-  auto opts = make_shared<RttEstimator::Options>();
+  auto opts = std::make_shared<RttEstimator::Options>();
   opts->initialRto = 500_ms;
   opts->maxRto = 4_s;
   RttEstimator rttEstimator(opts);