diff --git a/api/webrtc/webrtc.go b/api/webrtc/webrtc.go
index ac76d382..84160c91 100644
--- a/api/webrtc/webrtc.go
+++ b/api/webrtc/webrtc.go
@@ -100,7 +100,7 @@ func (c *Peer) Offer(label string) error {
 		return err
 	}
 	dc.OnOpen(func() {
-		log.Debugf("data channel %v has been opened\n", dc.Label())
+		log.Debugf("Data channel %v has been opened\n", dc.Label())
 		c.mutex.Lock()
 		defer c.mutex.Unlock()
 		c.isConnected = true
@@ -133,7 +133,7 @@ func (c *Peer) Offer(label string) error {
 	})
 
 	dc.OnError(func(err error) {
-		log.Errorf("Data Channel %s error: %s\n", dc.Label(), err.Error())
+		log.Debugf("Data channel %s error: %s\n", dc.Label(), err.Error())
 	})
 
 	offer, err := c.pc.CreateOffer(&webrtc.OfferOptions{ICERestart: false})
@@ -232,7 +232,7 @@ func (c *Peer) Answer(offerSdp string) error {
 		})
 
 		dc.OnError(func(err error) {
-			log.Errorf("Data Channel %v error: %s\n", dc.Label(), err.Error())
+			log.Debugf("Data channel %v error: %s\n", dc.Label(), err.Error())
 		})
 	})
 
diff --git a/api/websocket/server/relay.go b/api/websocket/server/relay.go
index d3bb83b6..fa9bdce7 100644
--- a/api/websocket/server/relay.go
+++ b/api/websocket/server/relay.go
@@ -95,7 +95,7 @@ func (ms *MsgServer) sendInboundMessage(clientID string, inboundMsg *pb.InboundM
 
 		err = client.SendBinary(buf)
 		if err != nil {
-			log.Error("Send to client error: ", err)
+			log.Debugf("Send to client error: %v", err)
 			continue
 		}
 
diff --git a/api/websocket/server/wsserver.go b/api/websocket/server/wsserver.go
index f9176216..5236e90d 100644
--- a/api/websocket/server/wsserver.go
+++ b/api/websocket/server/wsserver.go
@@ -15,10 +15,6 @@ import (
 	"github.com/nknorg/nkn/v2/util/log"
 )
 
-// type conn interface {
-// 	Start(s *MsgServer, wssCertReady chan struct{}) error
-// }
-
 type wsServer struct {
 	s           *MsgServer
 	Upgrader    websocket.Upgrader