diff --git a/audio/packetizer/flac.go b/audio/packetizer/flac.go
index d5c0d64..5885e7e 100644
--- a/audio/packetizer/flac.go
+++ b/audio/packetizer/flac.go
@@ -365,11 +365,7 @@ func readFlacFrame(hdr *FLACHeaderPacket, br *bitio.Reader, bfr *cachedBitReader
 			wastedBits = 0
 		}
 
-		//_ = bw.WriteBits(padding, 1)
-		//_ = bw.WriteBits(subframeType, 6)
-		//_ = bw.WriteBits(wastedBitsFlag, 1)
 		if wastedBitsFlag == 1 {
-			//_ = writeUnary(bw, wastedBits)
 
 			bps -= uint8(wastedBits) + 1
 		}
@@ -381,13 +377,11 @@ func readFlacFrame(hdr *FLACHeaderPacket, br *bitio.Reader, bfr *cachedBitReader
 			if _, err = br.ReadBits(bps); err != nil {
 				return nil
 			}
-			//_ = bw.WriteBits(constantSample, bps)
 		case subframeType == 1: //Verbatim
 			//var verbatimData []byte
 			if _, err = readManyBits(br, blockSize*int(bps)); err != nil {
 				return nil
 			}
-			//_ = writeManyBits(bw, verbatimData, blockSize*int(bps))
 		case subframeType < 8: //reserved
 			return nil
 		case subframeType < 16: //Fixed
@@ -401,7 +395,6 @@ func readFlacFrame(hdr *FLACHeaderPacket, br *bitio.Reader, bfr *cachedBitReader
 			if _, err = readManyBits(br, order*int(bps)); err != nil {
 				return nil
 			}
-			//_ = writeManyBits(bw, warmupData, order*int(bps))
 
 			if err = decodeResidual(br, blockSize, order); err != nil {
 				return nil
@@ -414,13 +407,11 @@ func readFlacFrame(hdr *FLACHeaderPacket, br *bitio.Reader, bfr *cachedBitReader
 			if _, err = readManyBits(br, order*int(bps)); err != nil {
 				return nil
 			}
-			//_ = writeManyBits(bw, warmupData, order*int(bps))
 
 			var coefficientPrecisionLen uint64
 			if coefficientPrecisionLen, err = br.ReadBits(4); err != nil {
 				return nil
 			}
-			//_ = bw.WriteBits(coefficientPrecisionLen, 4)
 
 			if coefficientPrecisionLen == 0xF {
 				return nil
@@ -432,13 +423,11 @@ func readFlacFrame(hdr *FLACHeaderPacket, br *bitio.Reader, bfr *cachedBitReader
 			if _, err = br.ReadBits(5); err != nil {
 				return nil
 			}
-			//_ = bw.WriteBits(quantizationLevel, 5)
 
 			//var coefficientData []byte
 			if _, err = readManyBits(br, order*precision); err != nil {
 				return nil
 			}
-			//_ = writeManyBits(bw, coefficientData, order*precision)
 
 			if err = decodeResidual(br, blockSize, order); err != nil {
 				return nil
@@ -465,7 +454,6 @@ func decodeResidual(br *bitio.Reader, blockSize, predictorOrder int) (err error)
 	if entropyCodingMethod, err = br.ReadBits(2); err != nil {
 		return err
 	}
-	//_ = bw.WriteBits(entropyCodingMethod, 2)
 
 	paramSize := 0
 
@@ -481,7 +469,6 @@ func decodeResidual(br *bitio.Reader, blockSize, predictorOrder int) (err error)
 	if partitionOrder, err = br.ReadBits(4); err != nil {
 		return err
 	}
-	//_ = bw.WriteBits(partitionOrder, 4)
 
 	partitions := 1 << partitionOrder
 
@@ -490,7 +477,6 @@ func decodeResidual(br *bitio.Reader, blockSize, predictorOrder int) (err error)
 		if riceParameter, err = br.ReadBits(uint8(paramSize)); err != nil {
 			return err
 		}
-		//_ = bw.WriteBitsUnsafe(riceParameter, uint8(paramSize))
 
 		var nsamples int
 		if partition != 0 {
@@ -507,14 +493,12 @@ func decodeResidual(br *bitio.Reader, blockSize, predictorOrder int) (err error)
 			if riceParameter2, err = br.ReadBits(5); err != nil {
 				return err
 			}
-			//_ = bw.WriteBitsUnsafe(riceParameter2, 5)
 
 			if riceParameter2 > 0 {
 				//var sampleData []byte
 				if _, err = readManyBits(br, nsamples*int(riceParameter2)); err != nil {
 					return err
 				}
-				//_ = writeManyBits(bw, sampleData, nsamples*int(riceParameter2))
 			}
 		} else {
 
@@ -525,18 +509,15 @@ func decodeResidual(br *bitio.Reader, blockSize, predictorOrder int) (err error)
 					if _, err = readUnary(br); err != nil {
 						return err
 					}
-					//_ = writeUnary(bw, high)
 				}
 			} else {
 				for j := 0; j < nsamples; j++ {
 					if _, err = readUnary(br); err != nil {
 						return err
 					}
-					//_ = writeUnary(bw, high)
 					if _, err = br.ReadBits(uint8(riceParameter)); err != nil {
 						return err
 					}
-					//_ = bw.WriteBitsUnsafe(low, uint8(riceParameter))
 				}
 			}
 		}
@@ -569,20 +550,6 @@ func readManyBits(br *bitio.Reader, bits int) (data []byte, err error) {
 	return
 }
 
-func writeManyBits(bw *bitio.Writer, data []byte, bits int) (err error) {
-	for i := 0; i < (bits / 8); i++ {
-		if err = bw.WriteByte(data[i]); err != nil {
-			return err
-		}
-	}
-	if (bits % 8) != 0 {
-		if err = bw.WriteBitsUnsafe(uint64(data[(bits/8)]), uint8(bits%8)); err != nil {
-			return err
-		}
-	}
-	return
-}
-
 func readUnary(br *bitio.Reader) (x uint64, err error) {
 	var bit uint64
 	for {