diff --git a/common/mclock/simclock.go b/common/mclock/simclock.go
index 766ca0f873..f5ad3f8bc0 100644
--- a/common/mclock/simclock.go
+++ b/common/mclock/simclock.go
@@ -58,7 +58,7 @@ func (s *Simulated) Run(d time.Duration) {
 	s.mu.Lock()
 	s.init()
 
-	end := s.now + AbsTime(d)
+	end := s.now.Add(d)
 	var do []func()
 	for len(s.scheduled) > 0 && s.scheduled[0].at <= end {
 		ev := heap.Pop(&s.scheduled).(*simTimer)
@@ -134,7 +134,7 @@ func (s *Simulated) AfterFunc(d time.Duration, fn func()) Timer {
 func (s *Simulated) schedule(d time.Duration, fn func()) *simTimer {
 	s.init()
 
-	at := s.now + AbsTime(d)
+	at := s.now.Add(d)
 	ev := &simTimer{do: fn, at: at, s: s}
 	heap.Push(&s.scheduled, ev)
 	s.cond.Broadcast()
diff --git a/common/prque/lazyqueue.go b/common/prque/lazyqueue.go
index 1fa744f399..883d210735 100644
--- a/common/prque/lazyqueue.go
+++ b/common/prque/lazyqueue.go
@@ -88,13 +88,13 @@ func (q *LazyQueue) Refresh() {
 
 // refresh re-evaluates items in the older queue and swaps the two queues
 func (q *LazyQueue) refresh(now mclock.AbsTime) {
-	q.maxUntil = now + mclock.AbsTime(q.period)
+	q.maxUntil = now.Add(q.period)
 	for q.queue[0].Len() != 0 {
 		q.Push(heap.Pop(q.queue[0]).(*item).value)
 	}
 	q.queue[0], q.queue[1] = q.queue[1], q.queue[0]
 	q.indexOffset = 1 - q.indexOffset
-	q.maxUntil += mclock.AbsTime(q.period)
+	q.maxUntil = q.maxUntil.Add(q.period)
 }
 
 // Push adds an item to the queue
diff --git a/p2p/discv5/ticket.go b/p2p/discv5/ticket.go
index 4780e8b866..2ccbfad7ff 100644
--- a/p2p/discv5/ticket.go
+++ b/p2p/discv5/ticket.go
@@ -107,7 +107,7 @@ func pongToTicket(localTime mclock.AbsTime, topics []Topic, node *Node, p *ingre
 	}
 	// Convert wait periods to local absolute time.
 	for i, wp := range wps {
-		t.regTime[i] = localTime + mclock.AbsTime(time.Second*time.Duration(wp))
+		t.regTime[i] = localTime.Add(time.Second * time.Duration(wp))
 	}
 	return t, nil
 }
@@ -349,7 +349,7 @@ func (s *ticketStore) nextFilteredTicket() (*ticketRef, time.Duration) {
 		}
 		log.Trace("Found discovery ticket to register", "node", ticket.t.node, "serial", ticket.t.serial, "wait", wait)
 
-		regTime := now + mclock.AbsTime(wait)
+		regTime := now.Add(wait)
 		topic := ticket.t.topics[ticket.idx]
 		if s.tickets[topic] != nil && regTime >= s.tickets[topic].nextReg {
 			return ticket, wait
@@ -614,7 +614,7 @@ func (s *ticketStore) cleanupTopicQueries(now mclock.AbsTime) {
 			delete(s.queriesSent, n)
 		}
 	}
-	s.nextTopicQueryCleanup = now + mclock.AbsTime(topicQueryTimeout)
+	s.nextTopicQueryCleanup = now.Add(topicQueryTimeout)
 }
 
 func (s *ticketStore) gotTopicNodes(from *Node, hash common.Hash, nodes []rpcNode) (timeout bool) {
@@ -625,7 +625,7 @@ func (s *ticketStore) gotTopicNodes(from *Node, hash common.Hash, nodes []rpcNod
 		return true
 	}
 	q, ok := qq[hash]
-	if !ok || now > q.sent+mclock.AbsTime(topicQueryTimeout) {
+	if !ok || now > q.sent.Add(topicQueryTimeout) {
 		return true
 	}
 	inside := float64(0)
diff --git a/p2p/discv5/topic.go b/p2p/discv5/topic.go
index c7c4ca9368..060395e963 100644
--- a/p2p/discv5/topic.go
+++ b/p2p/discv5/topic.go
@@ -194,7 +194,7 @@ func (t *topicTable) addEntry(node *Node, topic Topic) {
 		topic:   topic,
 		fifoIdx: fifoIdx,
 		node:    node,
-		expire:  tm + mclock.AbsTime(fallbackRegistrationExpiry),
+		expire:  tm.Add(fallbackRegistrationExpiry),
 	}
 	if printTestImgLogs {
 		fmt.Printf("*+ %d %v %016x %016x\n", tm/1000000, topic, t.self.sha[:8], node.sha[:8])
@@ -251,7 +251,7 @@ func (t *topicTable) useTicket(node *Node, serialNo uint32, topics []Topic, idx
 	}
 	if serialNo != n.lastUsedTicket {
 		n.lastUsedTicket = serialNo
-		n.noRegUntil = tm + mclock.AbsTime(noRegTimeout())
+		n.noRegUntil = tm.Add(noRegTimeout())
 		t.storeTicketCounters(node)
 	}
 
@@ -263,7 +263,7 @@ func (t *topicTable) useTicket(node *Node, serialNo uint32, topics []Topic, idx
 			t.addEntry(node, topics[idx])
 		} else {
 			// if there is an active entry, don't move to the front of the FIFO but prolong expire time
-			e.expire = tm + mclock.AbsTime(fallbackRegistrationExpiry)
+			e.expire = tm.Add(fallbackRegistrationExpiry)
 		}
 		return true
 	}
@@ -293,7 +293,7 @@ func (topictab *topicTable) getTicket(node *Node, topics []Topic) *ticket {
 			waitPeriod = minWaitPeriod
 		}
 
-		t.regTime[i] = now + mclock.AbsTime(waitPeriod)
+		t.regTime[i] = now.Add(waitPeriod)
 	}
 	return t
 }