diff --git a/weed/mq/broker.go b/weed/mq/broker.go
deleted file mode 100644
index 8debcec0b..000000000
--- a/weed/mq/broker.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package mq
-
-const LAST_MINUTES = 10
-
-type TopicStat struct {
-	MessageCounts [LAST_MINUTES]int64
-	ByteCounts    [LAST_MINUTES]int64
-}
-
-func NewTopicStat() *TopicStat {
-	return &TopicStat{}
-}