diff --git a/api_event.go b/api_event.go
index 6aae23fd..21bea37c 100644
--- a/api_event.go
+++ b/api_event.go
@@ -185,7 +185,6 @@ func (s *service) GroupMessageList(req *protocoltypes.GroupMessageList_Request,
 	}
 
 	// Subscribe to new message events and stream them if requested
-	// listPreviousMessageDone := false
 	for {
 		var event interface{}
 		select {