diff --git a/examples/http_flv_and_rtmp_server/main.go b/examples/http_flv_and_rtmp_server/main.go
index eda03a32..4efb8864 100644
--- a/examples/http_flv_and_rtmp_server/main.go
+++ b/examples/http_flv_and_rtmp_server/main.go
@@ -3,7 +3,6 @@ package main
 import (
 	"sync"
 	"io"
-	"time"
 	"net/http"
 	"github.com/nareix/joy4/format"
 	"github.com/nareix/joy4/av/avutil"