diff --git a/pkg/kubelet/dockershim/metrics/metrics.go b/pkg/kubelet/dockershim/metrics/metrics.go
index e5fbd604d46..16be68982bc 100644
--- a/pkg/kubelet/dockershim/metrics/metrics.go
+++ b/pkg/kubelet/dockershim/metrics/metrics.go
@@ -96,11 +96,6 @@ func Register() {
 	})
 }
 
-// SinceInMicroseconds gets the time since the specified start in microseconds.
-func SinceInMicroseconds(start time.Time) float64 {
-	return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
-}
-
 // SinceInSeconds gets the time since the specified start in seconds.
 func SinceInSeconds(start time.Time) float64 {
 	return time.Since(start).Seconds()
diff --git a/pkg/kubelet/dockershim/network/metrics/metrics.go b/pkg/kubelet/dockershim/network/metrics/metrics.go
index 2e61f3313f1..b5da24400a6 100644
--- a/pkg/kubelet/dockershim/network/metrics/metrics.go
+++ b/pkg/kubelet/dockershim/network/metrics/metrics.go
@@ -58,11 +58,6 @@ func Register() {
 	})
 }
 
-// SinceInMicroseconds gets the time since the specified start in microseconds.
-func SinceInMicroseconds(start time.Time) float64 {
-	return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
-}
-
 // SinceInSeconds gets the time since the specified start in seconds.
 func SinceInSeconds(start time.Time) float64 {
 	return time.Since(start).Seconds()
diff --git a/pkg/kubelet/metrics/metrics.go b/pkg/kubelet/metrics/metrics.go
index 2edb089a20f..91ec35705b2 100644
--- a/pkg/kubelet/metrics/metrics.go
+++ b/pkg/kubelet/metrics/metrics.go
@@ -409,11 +409,6 @@ func GetGather() metrics.Gatherer {
 	return legacyregistry.DefaultGatherer
 }
 
-// SinceInMicroseconds gets the time since the specified start in microseconds.
-func SinceInMicroseconds(start time.Time) float64 {
-	return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
-}
-
 // SinceInSeconds gets the time since the specified start in seconds.
 func SinceInSeconds(start time.Time) float64 {
 	return time.Since(start).Seconds()
diff --git a/pkg/proxy/metrics/metrics.go b/pkg/proxy/metrics/metrics.go
index 20add8d3541..31fecbd2a14 100644
--- a/pkg/proxy/metrics/metrics.go
+++ b/pkg/proxy/metrics/metrics.go
@@ -143,11 +143,6 @@ func RegisterMetrics() {
 	})
 }
 
-// SinceInMicroseconds gets the time since the specified start in microseconds.
-func SinceInMicroseconds(start time.Time) float64 {
-	return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
-}
-
 // SinceInSeconds gets the time since the specified start in seconds.
 func SinceInSeconds(start time.Time) float64 {
 	return time.Since(start).Seconds()
diff --git a/pkg/scheduler/metrics/metrics.go b/pkg/scheduler/metrics/metrics.go
index 27a8a144b2f..76968ef78ee 100644
--- a/pkg/scheduler/metrics/metrics.go
+++ b/pkg/scheduler/metrics/metrics.go
@@ -290,11 +290,6 @@ func Reset() {
 	DeprecatedSchedulingDuration.Reset()
 }
 
-// SinceInMicroseconds gets the time since the specified start in microseconds.
-func SinceInMicroseconds(start time.Time) float64 {
-	return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
-}
-
 // SinceInSeconds gets the time since the specified start in seconds.
 func SinceInSeconds(start time.Time) float64 {
 	return time.Since(start).Seconds()
diff --git a/staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go b/staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go
index f86ad8a100c..0806fd8ce40 100644
--- a/staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go
+++ b/staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go
@@ -282,7 +282,6 @@ func MonitorRequest(req *http.Request, verb, group, version, resource, subresour
 	reportedVerb := cleanVerb(verb, req)
 	dryRun := cleanDryRun(req.URL)
 	client := cleanUserAgent(utilnet.GetHTTPClient(req))
-	elapsedMicroseconds := float64(elapsed / time.Microsecond)
 	elapsedSeconds := elapsed.Seconds()
 	requestCounter.WithLabelValues(reportedVerb, dryRun, group, version, resource, subresource, scope, component, client, contentType, codeToString(httpCode)).Inc()
 	deprecatedRequestCounter.WithLabelValues(reportedVerb, group, version, resource, subresource, scope, component, client, contentType, codeToString(httpCode)).Inc()
diff --git a/staging/src/k8s.io/apiserver/pkg/storage/value/metrics.go b/staging/src/k8s.io/apiserver/pkg/storage/value/metrics.go
index ec76a138ed0..8c05ea68e21 100644
--- a/staging/src/k8s.io/apiserver/pkg/storage/value/metrics.go
+++ b/staging/src/k8s.io/apiserver/pkg/storage/value/metrics.go
@@ -150,11 +150,6 @@ func RecordDataKeyGeneration(start time.Time, err error) {
 	dataKeyGenerationLatencies.Observe(sinceInSeconds(start))
 }
 
-// sinceInMicroseconds gets the time since the specified start in microseconds.
-func sinceInMicroseconds(start time.Time) float64 {
-	return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
-}
-
 // sinceInSeconds gets the time since the specified start in seconds.
 func sinceInSeconds(start time.Time) float64 {
 	return time.Since(start).Seconds()
diff --git a/staging/src/k8s.io/client-go/util/workqueue/metrics.go b/staging/src/k8s.io/client-go/util/workqueue/metrics.go
index a3911bf2d63..556e6432eb1 100644
--- a/staging/src/k8s.io/client-go/util/workqueue/metrics.go
+++ b/staging/src/k8s.io/client-go/util/workqueue/metrics.go
@@ -131,16 +131,14 @@ func (m *defaultQueueMetrics) updateUnfinishedWork() {
 	var total float64
 	var oldest float64
 	for _, t := range m.processingStartTimes {
-		age := m.sinceInMicroseconds(t)
+		age := m.sinceInSeconds(t)
 		total += age
 		if age > oldest {
 			oldest = age
 		}
 	}
-	// Convert to seconds; microseconds is unhelpfully granular for this.
-	total /= 1000000
 	m.unfinishedWorkSeconds.Set(total)
-	m.longestRunningProcessor.Set(oldest / 1000000)
+	m.longestRunningProcessor.Set(oldest)
 }
 
 type noMetrics struct{}
@@ -150,11 +148,6 @@ func (noMetrics) get(item t)            {}
 func (noMetrics) done(item t)           {}
 func (noMetrics) updateUnfinishedWork() {}
 
-// Gets the time since the specified start in microseconds.
-func (m *defaultQueueMetrics) sinceInMicroseconds(start time.Time) float64 {
-	return float64(m.clock.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
-}
-
 // Gets the time since the specified start in seconds.
 func (m *defaultQueueMetrics) sinceInSeconds(start time.Time) float64 {
 	return m.clock.Since(start).Seconds()
diff --git a/staging/src/k8s.io/client-go/util/workqueue/metrics_test.go b/staging/src/k8s.io/client-go/util/workqueue/metrics_test.go
index d1178285fd5..4848f68f240 100644
--- a/staging/src/k8s.io/client-go/util/workqueue/metrics_test.go
+++ b/staging/src/k8s.io/client-go/util/workqueue/metrics_test.go
@@ -167,22 +167,6 @@ func (m *testMetricsProvider) NewRetriesMetric(name string) CounterMetric {
 	return &m.retries
 }
 
-func TestSinceInMicroseconds(t *testing.T) {
-	mp := testMetricsProvider{}
-	c := clock.NewFakeClock(time.Now())
-	mf := queueMetricsFactory{metricsProvider: &mp}
-	m := mf.newQueueMetrics("test", c)
-	dqm := m.(*defaultQueueMetrics)
-
-	for _, i := range []int{1, 50, 100, 500, 1000, 10000, 100000, 1000000} {
-		n := c.Now()
-		c.Step(time.Duration(i) * time.Microsecond)
-		if e, a := float64(i), dqm.sinceInMicroseconds(n); e != a {
-			t.Errorf("Expected %v, got %v", e, a)
-		}
-	}
-}
-
 func TestMetrics(t *testing.T) {
 	mp := testMetricsProvider{}
 	t0 := time.Unix(0, 0)