diff --git a/p2psrv/discv5/net.go b/p2psrv/discv5/net.go
index 3585d38b7..39dafeb97 100644
--- a/p2psrv/discv5/net.go
+++ b/p2psrv/discv5/net.go
@@ -647,7 +647,7 @@ loop:
 	}
 	log.Trace("loop stopped")
 
-	log.Debug(fmt.Sprintf("shutting down"))
+	log.Debug("shutting down")
 	if net.conn != nil {
 		net.conn.Close()
 	}
diff --git a/p2psrv/discv5/ntp.go b/p2psrv/discv5/ntp.go
index 4fb5f657a..4e90b2850 100644
--- a/p2psrv/discv5/ntp.go
+++ b/p2psrv/discv5/ntp.go
@@ -51,7 +51,7 @@ func checkClockDrift() {
 	}
 	if drift < -driftThreshold || drift > driftThreshold {
 		warning := fmt.Sprintf("System clock seems off by %v, which can prevent network connectivity", drift)
-		howtofix := fmt.Sprintf("Please enable network time synchronisation in system settings")
+		howtofix := "Please enable network time synchronisation in system settings"
 		separator := strings.Repeat("-", len(warning))
 
 		log.Warn(separator)