diff --git a/rules/ast/ast.go b/rules/ast/ast.go
index 8710f5429..feec0181f 100644
--- a/rules/ast/ast.go
+++ b/rules/ast/ast.go
@@ -384,7 +384,7 @@ func EvalVectorRange(node VectorNode, start clientmodel.Timestamp, end clientmod
 	for t := start; t.Before(end); t = t.Add(interval) {
 		vector := node.Eval(t, viewAdapter)
 		for _, sample := range vector {
-			samplePair := &metric.SamplePair{
+			samplePair := metric.SamplePair{
 				Value:     sample.Value,
 				Timestamp: sample.Timestamp,
 			}
diff --git a/rules/ast/view_adapter.go b/rules/ast/view_adapter.go
index 4c4033356..ea8fbae0b 100644
--- a/rules/ast/view_adapter.go
+++ b/rules/ast/view_adapter.go
@@ -82,7 +82,7 @@ func (v *viewAdapter) chooseClosestSample(samples metric.Values, timestamp clien
 				continue
 			}
 			sample := candidate
-			closestBefore = sample
+			closestBefore = &sample
 		}
 
 		// Samples after target time.
@@ -96,7 +96,7 @@ func (v *viewAdapter) chooseClosestSample(samples metric.Values, timestamp clien
 				continue
 			}
 			sample := candidate
-			closestAfter = sample
+			closestAfter = &sample
 		}
 	}
 
diff --git a/rules/helpers_test.go b/rules/helpers_test.go
index 67d444b34..05f661bce 100644
--- a/rules/helpers_test.go
+++ b/rules/helpers_test.go
@@ -28,7 +28,7 @@ var testStartTime = clientmodel.Timestamp(0)
 func getTestValueStream(startVal clientmodel.SampleValue, endVal clientmodel.SampleValue, stepVal clientmodel.SampleValue, startTime clientmodel.Timestamp) (resultValues metric.Values) {
 	currentTime := startTime
 	for currentVal := startVal; currentVal <= endVal; currentVal += stepVal {
-		sample := &metric.SamplePair{
+		sample := metric.SamplePair{
 			Value:     currentVal,
 			Timestamp: currentTime,
 		}
diff --git a/storage/metric/leveldb.go b/storage/metric/leveldb.go
index 55cc7accc..0bf8ade39 100644
--- a/storage/metric/leveldb.go
+++ b/storage/metric/leveldb.go
@@ -350,7 +350,7 @@ func (l *LevelDBMetricPersistence) AppendSamples(samples clientmodel.Samples) (e
 			key.Dump(keyDto)
 
 			for _, sample := range chunk {
-				values = append(values, &SamplePair{
+				values = append(values, SamplePair{
 					Timestamp: sample.Timestamp,
 					Value:     sample.Value,
 				})
diff --git a/storage/metric/memory.go b/storage/metric/memory.go
index a579348e6..a349f4201 100644
--- a/storage/metric/memory.go
+++ b/storage/metric/memory.go
@@ -27,7 +27,7 @@ import (
 const initialSeriesArenaSize = 4 * 60
 
 type stream interface {
-	add(...*SamplePair)
+	add(Values)
 
 	clone() Values
 	expunge(age clientmodel.Timestamp) Values
@@ -53,7 +53,7 @@ func (s *arrayStream) metric() clientmodel.Metric {
 	return s.m
 }
 
-func (s *arrayStream) add(v ...*SamplePair) {
+func (s *arrayStream) add(v Values) {
 	s.Lock()
 	defer s.Unlock()
 
@@ -202,9 +202,11 @@ func (s *memorySeriesStorage) AppendSample(sample *clientmodel.Sample) error {
 	fingerprint := &clientmodel.Fingerprint{}
 	fingerprint.LoadFromMetric(sample.Metric)
 	series := s.getOrCreateSeries(sample.Metric, fingerprint)
-	series.add(&SamplePair{
-		Value:     sample.Value,
-		Timestamp: sample.Timestamp,
+	series.add(Values{
+		SamplePair{
+			Value:     sample.Value,
+			Timestamp: sample.Timestamp,
+		},
 	})
 
 	if s.wmCache != nil {
@@ -325,7 +327,7 @@ func (s *memorySeriesStorage) appendSamplesWithoutIndexing(fingerprint *clientmo
 		s.fingerprintToSeries[*fingerprint] = series
 	}
 
-	series.add(samples...)
+	series.add(samples)
 }
 
 func (s *memorySeriesStorage) GetFingerprintsForLabelSet(l clientmodel.LabelSet) (clientmodel.Fingerprints, error) {
diff --git a/storage/metric/memory_test.go b/storage/metric/memory_test.go
index 903e460fe..5a9db88e9 100644
--- a/storage/metric/memory_test.go
+++ b/storage/metric/memory_test.go
@@ -27,7 +27,7 @@ func BenchmarkStreamAdd(b *testing.B) {
 	s := newArrayStream(clientmodel.Metric{})
 	samples := make(Values, b.N)
 	for i := 0; i < b.N; i++ {
-		samples = append(samples, &SamplePair{
+		samples = append(samples, SamplePair{
 			Timestamp: clientmodel.TimestampFromTime(time.Date(i, 0, 0, 0, 0, 0, 0, time.UTC)),
 			Value:     clientmodel.SampleValue(i),
 		})
@@ -38,7 +38,7 @@ func BenchmarkStreamAdd(b *testing.B) {
 	var pre runtime.MemStats
 	runtime.ReadMemStats(&pre)
 
-	s.add(samples...)
+	s.add(samples)
 
 	var post runtime.MemStats
 	runtime.ReadMemStats(&post)
diff --git a/storage/metric/operation_test.go b/storage/metric/operation_test.go
index 3441dc4fb..07bf9bce8 100644
--- a/storage/metric/operation_test.go
+++ b/storage/metric/operation_test.go
@@ -211,7 +211,7 @@ func TestGetValuesAtTimeOp(t *testing.T) {
 			t.Fatalf("%d. expected length %d, got %d", i, len(scenario.out), len(actual))
 		}
 		for j, out := range scenario.out {
-			if !out.Equal(actual[j]) {
+			if !out.Equal(&actual[j]) {
 				t.Fatalf("%d. expected output %v, got %v", i, scenario.out, actual)
 			}
 		}
@@ -464,7 +464,7 @@ func TestGetValuesAtIntervalOp(t *testing.T) {
 		}
 
 		for j, out := range scenario.out {
-			if !out.Equal(actual[j]) {
+			if !out.Equal(&actual[j]) {
 				t.Fatalf("%d. expected output %v, got %v", i, scenario.out, actual)
 			}
 		}
@@ -639,7 +639,7 @@ func TestGetValuesAlongRangeOp(t *testing.T) {
 			t.Fatalf("%d. expected length %d, got %d: %v", i, len(scenario.out), len(actual), actual)
 		}
 		for j, out := range scenario.out {
-			if !out.Equal(actual[j]) {
+			if !out.Equal(&actual[j]) {
 				t.Fatalf("%d. expected output %v, got %v", i, scenario.out, actual)
 			}
 		}
@@ -796,7 +796,7 @@ func TestGetValueRangeAtIntervalOp(t *testing.T) {
 			t.Fatalf("%d. expected length %d, got %d: %v", i, len(scenario.out), len(actual), actual)
 		}
 		for j, out := range scenario.out {
-			if !out.Equal(actual[j]) {
+			if !out.Equal(&actual[j]) {
 				t.Fatalf("%d. expected output %v, got %v", i, scenario.out, actual)
 			}
 		}
diff --git a/storage/metric/sample.go b/storage/metric/sample.go
index 73a1c4e54..fff0f9d9c 100644
--- a/storage/metric/sample.go
+++ b/storage/metric/sample.go
@@ -57,9 +57,9 @@ func (s *SamplePair) String() string {
 	return fmt.Sprintf("SamplePair at %s of %s", s.Timestamp, s.Value)
 }
 
-// Values is a sortable slice of SamplePair pointers (as in: it implements
+// Values is a sortable slice of SamplePairs (as in: it implements
 // sort.Interface). Sorting happens by Timestamp.
-type Values []*SamplePair
+type Values []SamplePair
 
 // Len implements sort.Interface.
 func (v Values) Len() int {
@@ -84,7 +84,7 @@ func (v Values) Equal(o Values) bool {
 	}
 
 	for i, expected := range v {
-		if !expected.Equal(o[i]) {
+		if !expected.Equal(&o[i]) {
 			return false
 		}
 	}
@@ -182,10 +182,8 @@ func unmarshalValues(buf []byte) Values {
 	}
 	for i := 0; i < n; i++ {
 		offset := formatVersionSize + i*sampleSize
-		v[i] = &SamplePair{
-			Timestamp: clientmodel.TimestampFromUnix(int64(binary.LittleEndian.Uint64(buf[offset:]))),
-			Value:     clientmodel.SampleValue(math.Float64frombits(binary.LittleEndian.Uint64(buf[offset+8:]))),
-		}
+		v[i].Timestamp = clientmodel.TimestampFromUnix(int64(binary.LittleEndian.Uint64(buf[offset:])))
+		v[i].Value = clientmodel.SampleValue(math.Float64frombits(binary.LittleEndian.Uint64(buf[offset+8:])))
 	}
 	return v
 }
diff --git a/storage/metric/sample_test.go b/storage/metric/sample_test.go
index 833cbd463..8c752b61b 100644
--- a/storage/metric/sample_test.go
+++ b/storage/metric/sample_test.go
@@ -17,7 +17,7 @@ func TestValuesMarshalAndUnmarshal(t *testing.T) {
 
 	for i, expected := range values {
 		actual := unmarshalled[i]
-		if !actual.Equal(expected) {
+		if !actual.Equal(&expected) {
 			t.Fatalf("%d. got: %v, expected: %v", i, actual, expected)
 		}
 	}
@@ -26,7 +26,7 @@ func TestValuesMarshalAndUnmarshal(t *testing.T) {
 func randomValues(numSamples int) Values {
 	v := make(Values, 0, numSamples)
 	for i := 0; i < numSamples; i++ {
-		v = append(v, &SamplePair{
+		v = append(v, SamplePair{
 			Timestamp: clientmodel.Timestamp(rand.Int63()),
 			Value:     clientmodel.SampleValue(rand.NormFloat64()),
 		})
diff --git a/storage/metric/tiered_test.go b/storage/metric/tiered_test.go
index b129be1cd..11893dfb8 100644
--- a/storage/metric/tiered_test.go
+++ b/storage/metric/tiered_test.go
@@ -719,7 +719,7 @@ func testTruncateBefore(t test.Tester) {
 		}
 
 		for j, actualValue := range actual {
-			if !actualValue.Equal(scenario.out[j]) {
+			if !actualValue.Equal(&scenario.out[j]) {
 				t.Fatalf("%d.%d. expected %s, got %s", i, j, scenario.out[j], actualValue)
 			}
 		}