1 files changed, 0 insertions, 39 deletions
diff --git a/protocol/pktline/append.go b/protocol/pktline/append.go
deleted file mode 100644
index 9425e58e..00000000
--- a/protocol/pktline/append.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package pktline
-
-import "fmt"
-
-// AppendData appends one data frame to dst.
-//
-// Empty payload is encoded as 0004.
-func AppendData(dst, payload []byte) ([]byte, error) {
-	if len(payload) > LargePacketDataMax {
-		return dst, fmt.Errorf("%w: %d > %d", ErrTooLarge, len(payload), LargePacketDataMax)
-	}
-
-	var hdr [4]byte
-
-	err := EncodeLengthHeader(&hdr, len(payload)+4)
-	if err != nil {
-		return dst, err
-	}
-
-	dst = append(dst, hdr[:]...)
-	dst = append(dst, payload...)
-
-	return dst, nil
-}
-
-// AppendFlushPkt appends control frame 0000 (flush-pkt).
-func AppendFlushPkt(dst []byte) []byte {
-	return append(dst, '0', '0', '0', '0')
-}
-
-// AppendDelimPkt appends control frame 0001 (delim-pkt).
-func AppendDelimPkt(dst []byte) []byte {
-	return append(dst, '0', '0', '0', '1')
-}
-
-// AppendResponseEndPkt appends control frame 0002 (response-end-pkt).
-func AppendResponseEndPkt(dst []byte) []byte {
-	return append(dst, '0', '0', '0', '2')
-}