diff --git a/p2p/dial.go b/p2p/dial.go
index 57fba136a1..1f5c0f15ac 100644
--- a/p2p/dial.go
+++ b/p2p/dial.go
@@ -296,7 +296,7 @@ func (t *dialTask) resolve(srv *Server) bool {
 // dial performs the actual connection attempt.
 func (t *dialTask) dial(srv *Server, dest *discover.Node) bool {
 	addr := &net.TCPAddr{IP: dest.IP, Port: int(dest.TCP)}
-	glog.V(logger.Debug).Infof("dial tcp %v (%x)\n", addr, dest.ID[:6])
+	glog.V(logger.Debug).Infof("dial tcp %v (%x)", addr, dest.ID[:6])
 	fd, err := srv.Dialer.Dial("tcp", addr.String())
 	if err != nil {
 		glog.V(logger.Detail).Infof("%v", err)
diff --git a/p2p/discover/udp.go b/p2p/discover/udp.go
index e09c63ffb6..ae7f970291 100644
--- a/p2p/discover/udp.go
+++ b/p2p/discover/udp.go
@@ -464,7 +464,7 @@ func (t *udp) send(toaddr *net.UDPAddr, ptype byte, req interface{}) error {
 	if err != nil {
 		return err
 	}
-	glog.V(logger.Detail).Infof(">>> %v %T\n", toaddr, req)
+	glog.V(logger.Detail).Infof(">>> %v %T", toaddr, req)
 	if _, err = t.conn.WriteToUDP(packet, toaddr); err != nil {
 		glog.V(logger.Detail).Infoln("UDP send failed:", err)
 	}
@@ -518,14 +518,14 @@ func (t *udp) readLoop() {
 func (t *udp) handlePacket(from *net.UDPAddr, buf []byte) error {
 	packet, fromID, hash, err := decodePacket(buf)
 	if err != nil {
-		glog.V(logger.Debug).Infof("Bad packet from %v: %v\n", from, err)
+		glog.V(logger.Debug).Infof("Bad packet from %v: %v", from, err)
 		return err
 	}
 	status := "ok"
 	if err = packet.handle(t, from, fromID, hash); err != nil {
 		status = err.Error()
 	}
-	glog.V(logger.Detail).Infof("<<< %v %T: %s\n", from, packet, status)
+	glog.V(logger.Detail).Infof("<<< %v %T: %s", from, packet, status)
 	return err
 }
 
diff --git a/p2p/discv5/udp.go b/p2p/discv5/udp.go
index b43f6d1980..6cf6cfbcc0 100644
--- a/p2p/discv5/udp.go
+++ b/p2p/discv5/udp.go
@@ -348,7 +348,7 @@ func (t *udp) sendPacket(toid NodeID, toaddr *net.UDPAddr, ptype byte, req inter
 		//fmt.Println(err)
 		return hash, err
 	}
-	glog.V(logger.Detail).Infof(">>> %v to %x@%v\n", nodeEvent(ptype), toid[:8], toaddr)
+	glog.V(logger.Detail).Infof(">>> %v to %x@%v", nodeEvent(ptype), toid[:8], toaddr)
 	if _, err = t.conn.WriteToUDP(packet, toaddr); err != nil {
 		glog.V(logger.Detail).Infoln("UDP send failed:", err)
 	}
@@ -407,7 +407,7 @@ func (t *udp) readLoop() {
 func (t *udp) handlePacket(from *net.UDPAddr, buf []byte) error {
 	pkt := ingressPacket{remoteAddr: from}
 	if err := decodePacket(buf, &pkt); err != nil {
-		glog.V(logger.Debug).Infof("Bad packet from %v: %v\n", from, err)
+		glog.V(logger.Debug).Infof("Bad packet from %v: %v", from, err)
 		//fmt.Println("bad packet", err)
 		return err
 	}
diff --git a/p2p/nat/nat.go b/p2p/nat/nat.go
index f9ba93613e..7eb23fa7b7 100644
--- a/p2p/nat/nat.go
+++ b/p2p/nat/nat.go
@@ -102,13 +102,13 @@ func Map(m Interface, c chan struct{}, protocol string, extport, intport int, na
 	refresh := time.NewTimer(mapUpdateInterval)
 	defer func() {
 		refresh.Stop()
-		glog.V(logger.Debug).Infof("deleting port mapping: %s %d -> %d (%s) using %s\n", protocol, extport, intport, name, m)
+		glog.V(logger.Debug).Infof("deleting port mapping: %s %d -> %d (%s) using %s", protocol, extport, intport, name, m)
 		m.DeleteMapping(protocol, extport, intport)
 	}()
 	if err := m.AddMapping(protocol, extport, intport, name, mapTimeout); err != nil {
-		glog.V(logger.Debug).Infof("network port %s:%d could not be mapped: %v\n", protocol, intport, err)
+		glog.V(logger.Debug).Infof("network port %s:%d could not be mapped: %v", protocol, intport, err)
 	} else {
-		glog.V(logger.Info).Infof("mapped network port %s:%d -> %d (%s) using %s\n", protocol, extport, intport, name, m)
+		glog.V(logger.Info).Infof("mapped network port %s:%d -> %d (%s) using %s", protocol, extport, intport, name, m)
 	}
 	for {
 		select {
@@ -117,9 +117,9 @@ func Map(m Interface, c chan struct{}, protocol string, extport, intport int, na
 				return
 			}
 		case <-refresh.C:
-			glog.V(logger.Detail).Infof("refresh port mapping %s:%d -> %d (%s) using %s\n", protocol, extport, intport, name, m)
+			glog.V(logger.Detail).Infof("refresh port mapping %s:%d -> %d (%s) using %s", protocol, extport, intport, name, m)
 			if err := m.AddMapping(protocol, extport, intport, name, mapTimeout); err != nil {
-				glog.V(logger.Debug).Infof("network port %s:%d could not be mapped: %v\n", protocol, intport, err)
+				glog.V(logger.Debug).Infof("network port %s:%d could not be mapped: %v", protocol, intport, err)
 			}
 			refresh.Reset(mapUpdateInterval)
 		}
diff --git a/p2p/peer.go b/p2p/peer.go
index b9d6c099dd..b21c872d66 100644
--- a/p2p/peer.go
+++ b/p2p/peer.go
@@ -157,27 +157,27 @@ loop:
 			// A write finished. Allow the next write to start if
 			// there was no error.
 			if err != nil {
-				glog.V(logger.Detail).Infof("%v: write error: %v\n", p, err)
+				glog.V(logger.Detail).Infof("%v: write error: %v", p, err)
 				reason = DiscNetworkError
 				break loop
 			}
 			writeStart <- struct{}{}
 		case err := <-readErr:
 			if r, ok := err.(DiscReason); ok {
-				glog.V(logger.Debug).Infof("%v: remote requested disconnect: %v\n", p, r)
+				glog.V(logger.Debug).Infof("%v: remote requested disconnect: %v", p, r)
 				requested = true
 				reason = r
 			} else {
-				glog.V(logger.Detail).Infof("%v: read error: %v\n", p, err)
+				glog.V(logger.Detail).Infof("%v: read error: %v", p, err)
 				reason = DiscNetworkError
 			}
 			break loop
 		case err := <-p.protoErr:
 			reason = discReasonForError(err)
-			glog.V(logger.Debug).Infof("%v: protocol error: %v (%v)\n", p, err, reason)
+			glog.V(logger.Debug).Infof("%v: protocol error: %v (%v)", p, err, reason)
 			break loop
 		case reason = <-p.disc:
-			glog.V(logger.Debug).Infof("%v: locally requested disconnect: %v\n", p, reason)
+			glog.V(logger.Debug).Infof("%v: locally requested disconnect: %v", p, reason)
 			break loop
 		}
 	}
@@ -298,14 +298,14 @@ func (p *Peer) startProtocols(writeStart <-chan struct{}, writeErr chan<- error)
 		proto.closed = p.closed
 		proto.wstart = writeStart
 		proto.werr = writeErr
-		glog.V(logger.Detail).Infof("%v: Starting protocol %s/%d\n", p, proto.Name, proto.Version)
+		glog.V(logger.Detail).Infof("%v: Starting protocol %s/%d", p, proto.Name, proto.Version)
 		go func() {
 			err := proto.Run(p, proto)
 			if err == nil {
-				glog.V(logger.Detail).Infof("%v: Protocol %s/%d returned\n", p, proto.Name, proto.Version)
+				glog.V(logger.Detail).Infof("%v: Protocol %s/%d returned", p, proto.Name, proto.Version)
 				err = errors.New("protocol returned")
 			} else if err != io.EOF {
-				glog.V(logger.Detail).Infof("%v: Protocol %s/%d error: %v\n", p, proto.Name, proto.Version, err)
+				glog.V(logger.Detail).Infof("%v: Protocol %s/%d error: %v", p, proto.Name, proto.Version, err)
 			}
 			p.protoErr <- err
 			p.wg.Done()