diff --git a/metrics/internal/lv/space_test.go b/metrics/internal/lv/space_test.go
index 0ef551701..0cdc4fa65 100644
--- a/metrics/internal/lv/space_test.go
+++ b/metrics/internal/lv/space_test.go
@@ -40,7 +40,6 @@ func TestSpaceWalkSums(t *testing.T) {
 
 	have := map[string]float64{}
 	s.Walk(func(name string, lvs LabelValues, obs []float64) bool {
-		//t.Logf("%s %v => %v", name, lvs, obs)
 		have[name+" ["+strings.Join(lvs, "")+"]"] += sum(obs)
 		return true
 	})
diff --git a/metrics/teststat/buffers.go b/metrics/teststat/buffers.go
index e38b16c24..d04c52cfe 100644
--- a/metrics/teststat/buffers.go
+++ b/metrics/teststat/buffers.go
@@ -47,7 +47,6 @@ func stats(w io.WriterTo, regex string, h *generic.Histogram) (sum, final float6
 	re := regexp.MustCompile(regex)
 	buf := &bytes.Buffer{}
 	w.WriteTo(buf)
-	//fmt.Fprintf(os.Stderr, "%s\n", buf.String())
 	s := bufio.NewScanner(buf)
 	for s.Scan() {
 		match := re.FindStringSubmatch(s.Text())