diff --git a/track_h264.go b/track_h264.go
index d41ea933..8ce7a8f0 100644
--- a/track_h264.go
+++ b/track_h264.go
@@ -16,7 +16,6 @@ type TrackH264 struct {
 	PayloadType uint8
 	SPS         []byte
 	PPS         []byte
-	Extradata   []byte
 
 	trackBase
 	mutex sync.RWMutex
@@ -78,18 +77,8 @@ func (t *TrackH264) fillParamsFromMediaDescription(md *psdp.MediaDescription) er
 				return fmt.Errorf("invalid sprop-parameter-sets (%v)", v)
 			}
 
-			var extradata []byte
-			if len(tmp) > 2 {
-				var err error
-				extradata, err = base64.StdEncoding.DecodeString(tmp[1])
-				if err != nil {
-					return fmt.Errorf("invalid sprop-parameter-sets (%v)", v)
-				}
-			}
-
 			t.SPS = sps
 			t.PPS = pps
-			t.Extradata = extradata
 			return nil
 		}
 	}
@@ -107,7 +96,6 @@ func (t *TrackH264) clone() Track {
 		PayloadType: t.PayloadType,
 		SPS:         t.SPS,
 		PPS:         t.PPS,
-		Extradata:   t.Extradata,
 		trackBase:   t.trackBase,
 	}
 }
@@ -156,9 +144,6 @@ func (t *TrackH264) MediaDescription() *psdp.MediaDescription {
 	if t.PPS != nil {
 		tmp = append(tmp, base64.StdEncoding.EncodeToString(t.PPS))
 	}
-	if t.Extradata != nil {
-		tmp = append(tmp, base64.StdEncoding.EncodeToString(t.Extradata))
-	}
 	fmtp += "; sprop-parameter-sets=" + strings.Join(tmp, ",")
 
 	if len(t.SPS) >= 4 {
diff --git a/track_h264_test.go b/track_h264_test.go
index f1cdc37b..24aa32f6 100644
--- a/track_h264_test.go
+++ b/track_h264_test.go
@@ -170,7 +170,6 @@ func TestTrackH264Params(t *testing.T) {
 		PayloadType: 96,
 		SPS:         []byte{0x01, 0x02},
 		PPS:         []byte{0x03, 0x04},
-		Extradata:   []byte{0x05, 0x06},
 	}
 	require.Equal(t, "", track.GetControl())
 	require.Equal(t, []byte{0x01, 0x02}, track.SafeSPS())
@@ -187,7 +186,6 @@ func TestTrackH264Clone(t *testing.T) {
 		PayloadType: 96,
 		SPS:         []byte{0x01, 0x02},
 		PPS:         []byte{0x03, 0x04},
-		Extradata:   []byte{0x05, 0x06},
 	}
 
 	clone := track.clone()
@@ -206,9 +204,6 @@ func TestTrackH264MediaDescription(t *testing.T) {
 		PPS: []byte{
 			0x68, 0xee, 0x3c, 0x80,
 		},
-		Extradata: []byte{
-			0x01, 0x02,
-		},
 	}
 
 	require.Equal(t, &psdp.MediaDescription{
@@ -225,7 +220,7 @@ func TestTrackH264MediaDescription(t *testing.T) {
 			{
 				Key: "fmtp",
 				Value: "96 packetization-mode=1; " +
-					"sprop-parameter-sets=Z2QADKw7ULBLQgAAAwACAAADAD0I,aO48gA==,AQI=; profile-level-id=64000C",
+					"sprop-parameter-sets=Z2QADKw7ULBLQgAAAwACAAADAD0I,aO48gA==; profile-level-id=64000C",
 			},
 			{
 				Key:   "control",
diff --git a/track_test.go b/track_test.go
index 7cbade55..8838ab6b 100644
--- a/track_test.go
+++ b/track_test.go
@@ -335,9 +335,6 @@ func TestTrackNewFromMediaDescription(t *testing.T) {
 				PPS: []byte{
 					0x68, 0xfa, 0x8f, 0x2c,
 				},
-				Extradata: []byte{
-					0x68, 0xfa, 0x8f, 0x2c,
-				},
 			},
 		},
 		{