diff --git a/api/types.go b/api/types.go
index ef95b907..05653510 100644
--- a/api/types.go
+++ b/api/types.go
@@ -612,14 +612,8 @@ type Metric struct {
 	Valid  bool  // if the metric is not valid it will be discarded
 }
 
-// SetTTL sets Metric to expire after the given seconds
-func (m *Metric) SetTTL(seconds int) {
-	d := time.Duration(seconds) * time.Second
-	m.SetTTLDuration(d)
-}
-
-// SetTTLDuration sets Metric to expire after the given time.Duration
-func (m *Metric) SetTTLDuration(d time.Duration) {
+// SetTTL sets Metric to expire after the given time.Duration
+func (m *Metric) SetTTL(d time.Duration) {
 	exp := time.Now().Add(d)
 	m.Expire = exp.UnixNano()
 }
diff --git a/api/types_test.go b/api/types_test.go
index eb52e14b..eb12667d 100644
--- a/api/types_test.go
+++ b/api/types_test.go
@@ -209,7 +209,7 @@ func TestMetric(t *testing.T) {
 		t.Error("metric should be expired")
 	}
 
-	m.SetTTL(1)
+	m.SetTTL(1 * time.Second)
 	if m.Expired() {
 		t.Error("metric should not be expired")
 	}
@@ -221,7 +221,7 @@ func TestMetric(t *testing.T) {
 		t.Error("metric should be expired")
 	}
 
-	m.SetTTL(30)
+	m.SetTTL(30 * time.Second)
 	m.Valid = true
 
 	if m.Discard() {
diff --git a/cluster.go b/cluster.go
index b0460f80..6a5086a7 100644
--- a/cluster.go
+++ b/cluster.go
@@ -228,7 +228,7 @@ func (c *Cluster) pushPingMetrics() {
 			Peer:  c.id,
 			Valid: true,
 		}
-		metric.SetTTLDuration(c.config.MonitorPingInterval * 2)
+		metric.SetTTL(c.config.MonitorPingInterval * 2)
 		c.monitor.PublishMetric(metric)
 
 		select {
diff --git a/informer/disk/disk.go b/informer/disk/disk.go
index d05a18f3..24d3cce2 100644
--- a/informer/disk/disk.go
+++ b/informer/disk/disk.go
@@ -94,6 +94,6 @@ func (disk *Informer) GetMetric() api.Metric {
 		Valid: valid,
 	}
 
-	m.SetTTLDuration(disk.config.MetricTTL)
+	m.SetTTL(disk.config.MetricTTL)
 	return m
 }
diff --git a/informer/numpin/numpin.go b/informer/numpin/numpin.go
index 8eba3af7..839596c9 100644
--- a/informer/numpin/numpin.go
+++ b/informer/numpin/numpin.go
@@ -78,6 +78,6 @@ func (npi *Informer) GetMetric() api.Metric {
 		Valid: valid,
 	}
 
-	m.SetTTLDuration(npi.config.MetricTTL)
+	m.SetTTL(npi.config.MetricTTL)
 	return m
 }
diff --git a/monitor/basic/peer_monitor_test.go b/monitor/basic/peer_monitor_test.go
index 87aeb120..cb3a8ede 100644
--- a/monitor/basic/peer_monitor_test.go
+++ b/monitor/basic/peer_monitor_test.go
@@ -35,7 +35,7 @@ func newMetric(n string, p peer.ID) api.Metric {
 		Value: fmt.Sprintf("%d", metricCounter),
 		Valid: true,
 	}
-	m.SetTTL(5)
+	m.SetTTL(5 * time.Second)
 	metricCounter++
 	return m
 }
@@ -69,7 +69,7 @@ func TestLogMetricConcurrent(t *testing.T) {
 				Value: fmt.Sprintf("%d", time.Now().UnixNano()),
 				Valid: true,
 			}
-			mt.SetTTLDuration(150 * time.Millisecond)
+			mt.SetTTL(150 * time.Millisecond)
 			pm.LogMetric(mt)
 			time.Sleep(75 * time.Millisecond)
 		}
diff --git a/monitor/util/metrics_checker_test.go b/monitor/util/metrics_checker_test.go
index 0364052c..21b68fce 100644
--- a/monitor/util/metrics_checker_test.go
+++ b/monitor/util/metrics_checker_test.go
@@ -4,9 +4,10 @@ import (
 	"testing"
 	"time"
 
+	peer "github.com/libp2p/go-libp2p-peer"
+
 	"github.com/ipfs/ipfs-cluster/api"
 	"github.com/ipfs/ipfs-cluster/test"
-	peer "github.com/libp2p/go-libp2p-peer"
 )
 
 func TestMetricsChecker(t *testing.T) {
@@ -21,7 +22,7 @@ func TestMetricsChecker(t *testing.T) {
 		Value: "1",
 		Valid: true,
 	}
-	metr.SetTTL(2)
+	metr.SetTTL(2 * time.Second)
 
 	metrics["test"] = make(PeerMetrics)
 	metrics["test"][test.TestPeerID1] = NewMetricsWindow(5, true)
diff --git a/monitor/util/metrics_window_test.go b/monitor/util/metrics_window_test.go
index 1a308c26..6b7c4860 100644
--- a/monitor/util/metrics_window_test.go
+++ b/monitor/util/metrics_window_test.go
@@ -2,6 +2,7 @@ package util
 
 import (
 	"testing"
+	"time"
 
 	"github.com/ipfs/ipfs-cluster/api"
 )
@@ -24,7 +25,7 @@ func TestMetricsWindow(t *testing.T) {
 		Value: "1",
 		Valid: true,
 	}
-	metr.SetTTL(5)
+	metr.SetTTL(5 * time.Second)
 
 	mw.Add(metr)