diff --git a/track.go b/track.go
index f905087..f46d45a 100644
--- a/track.go
+++ b/track.go
@@ -5,39 +5,8 @@ import (
 	"fmt"
 
 	"github.com/aler9/gortsplib"
-	psdp "github.com/pion/sdp/v3"
 )
 
-const (
-	pcma = "PCMA/8000"
-	pcmu = "PCMU/8000"
-)
-
-type TrackG711 struct {
-	*gortsplib.TrackPCMU
-	payloadType byte
-	format      string
-}
-
-func NewG711(payloadType byte, isPcma bool) *TrackG711 {
-	format := pcma
-	if !isPcma {
-		format = pcmu
-	}
-	format = fmt.Sprintf("%d %s", payloadType, format)
-	return &TrackG711{
-		gortsplib.NewTrackPCMU(),
-		payloadType,
-		format,
-	}
-}
-func (t *TrackG711) MediaDescription() *psdp.MediaDescription {
-	md := t.TrackPCMU.MediaDescription()
-	md.MediaName.Formats[0] = fmt.Sprintf("%d", t.payloadType)
-	md.Attributes[0].Value = t.format
-	return md
-}
-
 func NewH265Track(payloadType uint8, sprop [][]byte) (gortsplib.Track, error) {
 	return gortsplib.NewTrackGeneric("video", []string{fmt.Sprintf("%d", payloadType)}, fmt.Sprintf("%d H265/90000", payloadType), fmt.Sprintf("%d packetization-mode=1; sprop-vps=%s; sprop-sps=%s; sprop-pps=%s;", payloadType, base64.StdEncoding.EncodeToString(sprop[0]), base64.StdEncoding.EncodeToString(sprop[1]), base64.StdEncoding.EncodeToString(sprop[2])))
 }