diff --git a/weed/storage/needle_map_metric_test.go b/weed/storage/needle_map_metric_test.go
index 362659a11..0c792869f 100644
--- a/weed/storage/needle_map_metric_test.go
+++ b/weed/storage/needle_map_metric_test.go
@@ -17,7 +17,7 @@ func TestFastLoadingNeedleMapMetrics(t *testing.T) {
 	for i := 0; i < 10000; i++ {
 		nm.Put(Uint64ToNeedleId(uint64(i+1)), Uint32ToOffset(uint32(0)), Size(1))
 		if rand.Float32() < 0.2 {
-			nm.Delete(Uint64ToNeedleId(uint64(rand.Int63n(int64(i))+1)), Uint32ToOffset(uint32(0)))
+			nm.Delete(Uint64ToNeedleId(uint64(rand.Int63n(int64(i))+1)))
 		}
 	}