diff --git a/metric/prometheus.go b/metric/prometheus.go
index e03dc5b..66c4dd3 100644
--- a/metric/prometheus.go
+++ b/metric/prometheus.go
@@ -56,7 +56,6 @@ func (pc *PrometheusCollector) Describe(ch chan<- *prometheus.Desc) {
 
 func (pc *PrometheusCollector) Collect(ch chan<- prometheus.Metric) {
 	for _, v := range pc.metrics {
-		logger.Println("collector collect :", v.Desc.String())
 		value := atomic.LoadUint64(v.valptr)
 		cm, err := prometheus.NewConstMetric(v.Desc, v.valueType, math.Float64frombits(value))
 		if err == nil {