diff --git a/codec/aacparser/parser.go b/codec/aacparser/parser.go
index 3b7f417..db3c5d3 100644
--- a/codec/aacparser/parser.go
+++ b/codec/aacparser/parser.go
@@ -147,54 +147,6 @@ func SplitADTSFrames(frames []byte) (config MPEG4AudioConfig, payload [][]byte,
 	return
 }
 
-func ReadADTSHeader(data []byte) (config MPEG4AudioConfig, frameLength int) {
-	br := &bits.Reader{R: bytes.NewReader(data)}
-	var i uint
-
-	//Structure
-	//AAAAAAAA AAAABCCD EEFFFFGH HHIJKLMM MMMMMMMM MMMOOOOO OOOOOOPP (QQQQQQQQ QQQQQQQQ)
-	//Header consists of 7 or 9 bytes (without or with CRC).
-
-	// 2 bytes
-	//A	12	syncword 0xFFF, all bits must be 1
-	br.ReadBits(12)
-	//B	1	MPEG Version: 0 for MPEG-4, 1 for MPEG-2
-	br.ReadBits(1)
-	//C	2	Layer: always 0
-	br.ReadBits(2)
-	//D	1	protection absent, Warning, set to 1 if there is no CRC and 0 if there is CRC
-	br.ReadBits(1)
-
-	//E	2	profile, the MPEG-4 Audio Object Type minus 1
-	config.ObjectType, _ = br.ReadBits(2)
-	config.ObjectType++
-	//F	4	MPEG-4 Sampling Frequency Index (15 is forbidden)
-	config.SampleRateIndex, _ = br.ReadBits(4)
-	//G	1	private bit, guaranteed never to be used by MPEG, set to 0 when encoding, ignore when decoding
-	br.ReadBits(1)
-	//H	3	MPEG-4 Channel Configuration (in the case of 0, the channel configuration is sent via an inband PCE)
-	config.ChannelConfig, _ = br.ReadBits(3)
-	//I	1	originality, set to 0 when encoding, ignore when decoding
-	br.ReadBits(1)
-	//J	1	home, set to 0 when encoding, ignore when decoding
-	br.ReadBits(1)
-	//K	1	copyrighted id bit, the next bit of a centrally registered copyright identifier, set to 0 when encoding, ignore when decoding
-	br.ReadBits(1)
-	//L	1	copyright id start, signals that this frame's copyright id bit is the first bit of the copyright id, set to 0 when encoding, ignore when decoding
-	br.ReadBits(1)
-
-	//M	13	frame length, this value must include 7 or 9 bytes of header length: FrameLength = (ProtectionAbsent == 1 ? 7 : 9) + size(AACFrame)
-	i, _ = br.ReadBits(13)
-	frameLength = int(i)
-	//O	11	Buffer fullness
-	br.ReadBits(11)
-	//P	2	Number of AAC frames (RDBs) in ADTS frame minus 1, for maximum compatibility always use 1 AAC frame per ADTS frame
-	br.ReadBits(2)
-
-	//Q	16	CRC if protection absent is 0
-	return
-}
-
 func readObjectType(r *bits.Reader) (objectType uint, err error) {
 	if objectType, err = r.ReadBits(5); err != nil {
 		return
@@ -359,10 +311,6 @@ func (self CodecData) PacketDuration(data []byte) (dur time.Duration, err error)
 	return
 }
 
-func (self CodecData) MakeADTSHeader(samples int, payloadLength int) []byte {
-	return MakeADTSHeader(self.Config, samples, payloadLength)
-}
-
 func NewCodecDataFromMPEG4AudioConfigBytes(config []byte) (self CodecData, err error) {
 	self.ConfigBytes = config
 	if self.Config, err = ParseMPEG4AudioConfig(config); err != nil {
diff --git a/ts/muxer.go b/ts/muxer.go
index 4a6f786..4b27160 100644
--- a/ts/muxer.go
+++ b/ts/muxer.go
@@ -146,7 +146,7 @@ func (self *Muxer) writePacket(pkt av.Packet) (err error) {
 	case av.AAC:
 		codec := stream.CodecData.(aacparser.CodecData)
 		data := pkt.Data
-		data = append(codec.MakeADTSHeader(1024, len(data)), data...)
+		data = append(aacparser.MakeADTSHeader(codec.Config, 1024, len(data)), data...)
 
 		buf := &bytes.Buffer{}
 		pes := PESHeader{