diff --git a/tests/daemon/face/ethernet-factory.t.cpp b/tests/daemon/face/ethernet-factory.t.cpp
index b0351b7..b69141d 100644
--- a/tests/daemon/face/ethernet-factory.t.cpp
+++ b/tests/daemon/face/ethernet-factory.t.cpp
@@ -49,8 +49,8 @@
   {
     std::set<std::string> uris;
     std::transform(netifs.begin(), netifs.end(), std::inserter(uris, uris.end()),
-                   [] (const shared_ptr<const ndn::net::NetworkInterface>& ni) {
-                     return FaceUri::fromDev(ni->getName()).toString();
+                   [] (const auto& netif) {
+                     return FaceUri::fromDev(netif->getName()).toString();
                    });
     return uris;
   }
@@ -93,7 +93,7 @@
   checkChannelListEqual(factory, this->listUrisOfAvailableNetifs());
   auto channels = factory.getChannels();
   BOOST_CHECK(std::all_of(channels.begin(), channels.end(),
-                          [] (const shared_ptr<const Channel>& ch) { return ch->isListening(); }));
+                          [] (const auto& ch) { return ch->isListening(); }));
   BOOST_CHECK_EQUAL(this->countEtherMcastFaces(), 0);
 }
 
@@ -119,7 +119,7 @@
   checkChannelListEqual(factory, this->listUrisOfAvailableNetifs());
   auto channels = factory.getChannels();
   BOOST_CHECK(std::none_of(channels.begin(), channels.end(),
-                           [] (const shared_ptr<const Channel>& ch) { return ch->isListening(); }));
+                           [] (const auto& ch) { return ch->isListening(); }));
   BOOST_CHECK_EQUAL(this->countEtherMcastFaces(), 0);
 }
 
diff --git a/tests/daemon/face/face-system-fixture.hpp b/tests/daemon/face/face-system-fixture.hpp
index b3ae91f..b7254fa 100644
--- a/tests/daemon/face/face-system-fixture.hpp
+++ b/tests/daemon/face/face-system-fixture.hpp
@@ -161,37 +161,19 @@
 class DummyProtocolFactory : public ProtocolFactory
 {
 public:
-  DummyProtocolFactory(const CtorParams& params)
-    : ProtocolFactory(params)
-  {
-  }
+  using ProtocolFactory::ProtocolFactory;
 
   void
-  processConfig(OptionalConfigSection configSection,
-                FaceSystem::ConfigContext& context) final
+  doProcessConfig(OptionalConfigSection configSection,
+                  FaceSystem::ConfigContext& context) final
   {
     processConfigHistory.push_back({configSection, context.isDryRun,
                                     context.generalConfig.wantCongestionMarking});
     if (!context.isDryRun) {
-      this->providedSchemes = this->newProvidedSchemes;
+      providedSchemes = newProvidedSchemes;
     }
   }
 
-  void
-  createFace(const CreateFaceRequest& req,
-             const FaceCreatedCallback& onCreated,
-             const FaceCreationFailedCallback& onFailure) final
-  {
-    BOOST_FAIL("createFace should not be called");
-  }
-
-  std::vector<shared_ptr<const Channel>>
-  getChannels() const final
-  {
-    BOOST_FAIL("getChannels should not be called");
-    return {};
-  }
-
 public:
   struct ProcessConfigArgs
   {
diff --git a/tests/daemon/face/tcp-factory.t.cpp b/tests/daemon/face/tcp-factory.t.cpp
index 21c49cc..d349cf9 100644
--- a/tests/daemon/face/tcp-factory.t.cpp
+++ b/tests/daemon/face/tcp-factory.t.cpp
@@ -68,7 +68,7 @@
   checkChannelListEqual(factory, {"tcp4://0.0.0.0:6363", "tcp6://[::]:6363"});
   auto channels = factory.getChannels();
   BOOST_CHECK(std::all_of(channels.begin(), channels.end(),
-                          [] (const shared_ptr<const Channel>& ch) { return ch->isListening(); }));
+                          [] (const auto& ch) { return ch->isListening(); }));
 
   BOOST_CHECK_EQUAL(factory.m_local.m_whitelist.size(), 2);
   BOOST_CHECK_EQUAL(factory.m_local.m_whitelist.count("127.0.0.0/8"), 1);
@@ -95,7 +95,7 @@
   checkChannelListEqual(factory, {"tcp4://0.0.0.0:7001", "tcp6://[::]:7001"});
   auto channels = factory.getChannels();
   BOOST_CHECK(std::none_of(channels.begin(), channels.end(),
-                           [] (const shared_ptr<const Channel>& ch) { return ch->isListening(); }));
+                           [] (const auto& ch) { return ch->isListening(); }));
 }
 
 BOOST_AUTO_TEST_CASE(DisableV4)
diff --git a/tests/daemon/face/udp-factory.t.cpp b/tests/daemon/face/udp-factory.t.cpp
index 360cc34..088b300 100644
--- a/tests/daemon/face/udp-factory.t.cpp
+++ b/tests/daemon/face/udp-factory.t.cpp
@@ -197,7 +197,7 @@
   checkChannelListEqual(factory, {"udp4://0.0.0.0:6363", "udp6://[::]:6363"});
   auto channels = factory.getChannels();
   BOOST_CHECK(std::all_of(channels.begin(), channels.end(),
-                          [] (const shared_ptr<const Channel>& ch) { return ch->isListening(); }));
+                          [] (const auto& ch) { return ch->isListening(); }));
 }
 
 BOOST_AUTO_TEST_CASE(DisableListen)
@@ -220,7 +220,7 @@
   checkChannelListEqual(factory, {"udp4://0.0.0.0:7001", "udp6://[::]:7001"});
   auto channels = factory.getChannels();
   BOOST_CHECK(std::none_of(channels.begin(), channels.end(),
-                           [] (const shared_ptr<const Channel>& ch) { return ch->isListening(); }));
+                           [] (const auto& ch) { return ch->isListening(); }));
 }
 
 BOOST_AUTO_TEST_CASE(DisableV4)