diff --git a/internal/msgtransfer/init.go b/internal/msgtransfer/init.go
index 7d3036f29..239f77fab 100644
--- a/internal/msgtransfer/init.go
+++ b/internal/msgtransfer/init.go
@@ -24,7 +24,6 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
-	"sync"
 	"syscall"
 	"github.com/OpenIMSDK/tools/mw"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"