From 252265fa81989f4cef2fd9e875bb77fb318c9314 Mon Sep 17 00:00:00 2001
From: johncming <johncming@yahoo.com>
Date: Mon, 31 Aug 2020 22:55:47 +0800
Subject: [PATCH] tsdb/chunks: remove un-used code. (#6944)

Signed-off-by: johncming <johncming@yahoo.com>
---
 tsdb/chunks/chunks.go | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/tsdb/chunks/chunks.go b/tsdb/chunks/chunks.go
index 7d0c50159..6f7ea09b4 100644
--- a/tsdb/chunks/chunks.go
+++ b/tsdb/chunks/chunks.go
@@ -419,10 +419,6 @@ func (b realByteSlice) Range(start, end int) []byte {
 	return b[start:end]
 }
 
-func (b realByteSlice) Sub(start, end int) ByteSlice {
-	return b[start:end]
-}
-
 // Reader implements a ChunkReader for a serialized byte stream
 // of series data.
 type Reader struct {