diff --git a/bargraph/widget.go b/bargraph/widget.go
index 7863f81d..e27bab96 100644
--- a/bargraph/widget.go
+++ b/bargraph/widget.go
@@ -17,9 +17,6 @@ var ok = true
 // Widget define wtf widget to register widget later
 type Widget struct {
 	wtf.BarGraph
-
-	// time interval for send http request
-	updateInterval int
 }
 
 // NewWidget Make new instance of widget