diff --git a/daemon/face/generic-link-service.cpp b/daemon/face/generic-link-service.cpp
index 819a91a..5ed4ac2 100644
--- a/daemon/face/generic-link-service.cpp
+++ b/daemon/face/generic-link-service.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2020,  Regents of the University of California,
+ * Copyright (c) 2014-2021,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -45,11 +45,11 @@
   , m_reassembler(m_options.reassemblerOptions, this)
   , m_reliability(m_options.reliabilityOptions, this)
   , m_lastSeqNo(-2)
-  , m_nextMarkTime(time::steady_clock::TimePoint::max())
+  , m_nextMarkTime(time::steady_clock::time_point::max())
   , m_nMarkedSinceInMarkingState(0)
 {
-  m_reassembler.beforeTimeout.connect([this] (auto...) { ++this->nReassemblyTimeouts; });
-  m_reliability.onDroppedInterest.connect([this] (const auto& i) { this->notifyDroppedInterest(i); });
+  m_reassembler.beforeTimeout.connect([this] (auto&&...) { ++nReassemblyTimeouts; });
+  m_reliability.onDroppedInterest.connect([this] (const auto& i) { notifyDroppedInterest(i); });
   nReassembling.observe(&m_reassembler);
 }
 
@@ -105,7 +105,7 @@
 
   auto block = pkt.wireEncode();
   if (mtu != MTU_UNLIMITED && block.size() > static_cast<size_t>(mtu)) {
-    ++this->nOutOverMtu;
+    ++nOutOverMtu;
     NFD_LOG_FACE_WARN("attempted to send packet over MTU limit");
     return;
   }
@@ -207,7 +207,7 @@
     std::tie(isOk, frags) = m_fragmenter.fragmentPacket(pkt, mtu);
     if (!isOk) {
       // fragmentation failed (warning is logged by LpFragmenter)
-      ++this->nFragmentationErrors;
+      ++nFragmentationErrors;
       return;
     }
   }
@@ -261,7 +261,7 @@
   if (static_cast<size_t>(sendQueueLength) > m_options.defaultCongestionThreshold) {
     const auto now = time::steady_clock::now();
 
-    if (m_nextMarkTime == time::steady_clock::TimePoint::max()) {
+    if (m_nextMarkTime == time::steady_clock::time_point::max()) {
       m_nextMarkTime = now + m_options.baseCongestionMarkingInterval;
     }
     // Mark packet if sendQueue stays above target for one interval
@@ -279,10 +279,10 @@
       m_nextMarkTime += interval;
     }
   }
-  else if (m_nextMarkTime != time::steady_clock::TimePoint::max()) {
+  else if (m_nextMarkTime != time::steady_clock::time_point::max()) {
     // Congestion incident has ended, so reset
     NFD_LOG_FACE_DEBUG("Send queue length dropped below congestion threshold");
-    m_nextMarkTime = time::steady_clock::TimePoint::max();
+    m_nextMarkTime = time::steady_clock::time_point::max();
     m_nMarkedSinceInMarkingState = 0;
   }
 }
@@ -296,7 +296,7 @@
     if (m_options.reliabilityOptions.isEnabled) {
       if (!m_reliability.processIncomingPacket(pkt)) {
         NFD_LOG_FACE_TRACE("received duplicate fragment: DROP");
-        ++this->nDuplicateSequence;
+        ++nDuplicateSequence;
         return;
       }
     }
@@ -321,7 +321,7 @@
     }
   }
   catch (const tlv::Error& e) {
-    ++this->nInLpInvalid;
+    ++nInLpInvalid;
     NFD_LOG_FACE_WARN("packet parse error (" << e.what() << "): DROP");
   }
 }
@@ -344,13 +344,13 @@
         this->decodeData(netPkt, firstPkt, endpointId);
         break;
       default:
-        ++this->nInNetInvalid;
+        ++nInNetInvalid;
         NFD_LOG_FACE_WARN("unrecognized network-layer packet TLV-TYPE " << netPkt.type() << ": DROP");
         return;
     }
   }
   catch (const tlv::Error& e) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("packet parse error (" << e.what() << "): DROP");
   }
 }
@@ -376,7 +376,7 @@
   }
 
   if (firstPkt.has<lp::CachePolicyField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received CachePolicy with Interest: DROP");
     return;
   }
@@ -399,7 +399,7 @@
   }
 
   if (firstPkt.has<lp::PrefixAnnouncementField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received PrefixAnnouncement with Interest: DROP");
     return;
   }
@@ -421,13 +421,13 @@
   auto data = make_shared<Data>(netPkt);
 
   if (firstPkt.has<lp::NackField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received Nack with Data: DROP");
     return;
   }
 
   if (firstPkt.has<lp::NextHopFaceIdField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received NextHopFaceId with Data: DROP");
     return;
   }
@@ -448,7 +448,7 @@
   }
 
   if (firstPkt.has<lp::NonDiscoveryField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received NonDiscovery with Data: DROP");
     return;
   }
@@ -476,13 +476,13 @@
   nack.setHeader(firstPkt.get<lp::NackField>());
 
   if (firstPkt.has<lp::NextHopFaceIdField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received NextHopFaceId with Nack: DROP");
     return;
   }
 
   if (firstPkt.has<lp::CachePolicyField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received CachePolicy with Nack: DROP");
     return;
   }
@@ -496,13 +496,13 @@
   }
 
   if (firstPkt.has<lp::NonDiscoveryField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received NonDiscovery with Nack: DROP");
     return;
   }
 
   if (firstPkt.has<lp::PrefixAnnouncementField>()) {
-    ++this->nInNetInvalid;
+    ++nInNetInvalid;
     NFD_LOG_FACE_WARN("received PrefixAnnouncement with Nack: DROP");
     return;
   }