diff --git a/common/redisclient.go b/common/redisclient.go
index 784b327..3c53d60 100644
--- a/common/redisclient.go
+++ b/common/redisclient.go
@@ -70,10 +70,6 @@ func (client *RedisClient) writeHSpatial(p1, p2 int64) (err error) {
 	return
 }
 
-func (client *RedisClient) readLine() (data []byte, err error) {
-	return client.reader.ReadBytes('\n')
-}
-
 func isError(line []byte) error {
 	if len(line) > 0 && line[0] == '-' {
 		return fmt.Errorf("error: %s", line[1:])
@@ -83,7 +79,7 @@ func isError(line []byte) error {
 
 func (client *RedisClient) readBulkString(data *[]byte) (size int, err error) {
 	var line []byte
-	if line, err = client.readLine(); err != nil {
+	if line, err = client.reader.ReadBytes('\n'); err != nil {
 		return
 	}
 	if err = isError(line); err != nil {