diff --git a/internal/exporter/metrics.go b/internal/exporter/metrics.go
index f672de9..8f6d036 100644
--- a/internal/exporter/metrics.go
+++ b/internal/exporter/metrics.go
@@ -193,12 +193,10 @@ func (m *Metrics) collectReqeustDataMetrics(ch chan<- prometheus.Metric, queue *
 		sum += latency
 		count++
 
-		var cumulativeCount uint64
 		for _, bound := range bucketBounds {
 			if latency <= bound {
-				cumulativeCount++
+				buckets[bound]++
 			}
-			buckets[bound] += cumulativeCount
 		}
 	}