diff --git a/exporter/kafkaexporter/marshaler_test.go b/exporter/kafkaexporter/marshaler_test.go
index 69d77339480e..4b29b10252d8 100644
--- a/exporter/kafkaexporter/marshaler_test.go
+++ b/exporter/kafkaexporter/marshaler_test.go
@@ -93,8 +93,8 @@ func TestOTLPMetricsJsonMarshaling(t *testing.T) {
 	m.Gauge().DataPoints().At(0).SetDoubleValue(1.0)
 
 	r1 := pcommon.NewResource()
-	r1.Attributes().PutStr("service.name", "my_service_name")
 	r1.Attributes().PutStr("service.instance.id", "kek_x_2")
+	r1.Attributes().PutStr("service.name", "my_service_name")
 	r1.CopyTo(metric.ResourceMetrics().AppendEmpty().Resource())
 
 	standardMarshaler := metricsMarshalers()["otlp_json"]
@@ -111,8 +111,8 @@ func TestOTLPMetricsJsonMarshaling(t *testing.T) {
 	require.NoError(t, err, "Must have marshaled the data without error")
 	require.Len(t, msgs, 2, "Expected number of messages in the message")
 
-	require.Equal(t, sarama.ByteEncoder("90e74a8334a89993bd3f6ad05f9ca02438032a78d4399fb6fecf6c94fcdb13ef"), msgs[0].Key)
-	require.Equal(t, sarama.ByteEncoder("55e1113a2eace57b91ef58911d811c28e936365f03ac068e8ce23090d9ea748f"), msgs[1].Key)
+	require.Equal(t, sarama.ByteEncoder{0x62, 0x7f, 0x20, 0x34, 0x85, 0x49, 0x55, 0x2e, 0xfa, 0x93, 0xae, 0xd7, 0xde, 0x91, 0xd7, 0x16}, msgs[0].Key)
+	require.Equal(t, sarama.ByteEncoder{0x75, 0x6b, 0xb4, 0xd6, 0xff, 0xeb, 0x92, 0x22, 0xa, 0x68, 0x65, 0x48, 0xe0, 0xd3, 0x94, 0x44}, msgs[1].Key)
 }
 
 func TestOTLPTracesJsonMarshaling(t *testing.T) {
diff --git a/exporter/kafkaexporter/pdata_marshaler.go b/exporter/kafkaexporter/pdata_marshaler.go
index 13a3e371e46d..415546e6b205 100644
--- a/exporter/kafkaexporter/pdata_marshaler.go
+++ b/exporter/kafkaexporter/pdata_marshaler.go
@@ -5,9 +5,9 @@ package kafkaexporter // import "github.com/open-telemetry/opentelemetry-collect
 
 import (
 	"github.com/IBM/sarama"
-	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal/resourceutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal/traceutil"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/batchpersignal"
+	"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatautil"
 	"go.opentelemetry.io/collector/pdata/plog"
 	"go.opentelemetry.io/collector/pdata/pmetric"
 	"go.opentelemetry.io/collector/pdata/ptrace"
@@ -67,7 +67,7 @@ func (p pdataMetricsMarshaler) Marshal(ld pmetric.Metrics, topic string) ([]*sar
 
 		for i := 0; i < metrics.Len(); i++ {
 			resourceMetrics := metrics.At(i)
-			hash := resourceutil.CalculateResourceAttributesHash(resourceMetrics.Resource())
+			var hash = pdatautil.MapHash(resourceMetrics.Resource().Attributes())
 
 			newMetrics := pmetric.NewMetrics()
 			resourceMetrics.MoveTo(newMetrics.ResourceMetrics().AppendEmpty())
@@ -79,7 +79,7 @@ func (p pdataMetricsMarshaler) Marshal(ld pmetric.Metrics, topic string) ([]*sar
 			msgs = append(msgs, &sarama.ProducerMessage{
 				Topic: topic,
 				Value: sarama.ByteEncoder(bts),
-				Key:   sarama.ByteEncoder(hash),
+				Key:   sarama.ByteEncoder(hash[:]),
 			})
 		}
 	} else {
diff --git a/internal/coreinternal/resourceutil/resourceutil.go b/internal/coreinternal/resourceutil/resourceutil.go
deleted file mode 100644
index 9d0e2e9d191f..000000000000
--- a/internal/coreinternal/resourceutil/resourceutil.go
+++ /dev/null
@@ -1,32 +0,0 @@
-package resourceutil // import "github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal/resourceutil"
-
-import (
-	"crypto/sha256"
-	"encoding/hex"
-	"go.opentelemetry.io/collector/pdata/pcommon"
-	"sort"
-)
-
-type keyValueLabelPair struct {
-	Key   string
-	Value string
-}
-
-func CalculateResourceAttributesHash(resourceMetrics pcommon.Resource) string {
-	var pairs []keyValueLabelPair
-	resourceMetrics.Attributes().Range(func(k string, v pcommon.Value) bool {
-		pairs = append(pairs, keyValueLabelPair{Key: k, Value: v.AsString()})
-		return true
-	})
-
-	sort.SliceStable(pairs, func(i, j int) bool {
-		return pairs[i].Key < pairs[j].Key
-	})
-
-	h := sha256.New()
-	for _, pair := range pairs {
-		h.Write([]byte(pair.Key))
-		h.Write([]byte(pair.Value))
-	}
-	return hex.EncodeToString(h.Sum(nil))
-}
diff --git a/internal/coreinternal/resourceutil/resourceutil_test.go b/internal/coreinternal/resourceutil/resourceutil_test.go
deleted file mode 100644
index 565285806030..000000000000
--- a/internal/coreinternal/resourceutil/resourceutil_test.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package resourceutil
-
-import (
-	"github.com/stretchr/testify/assert"
-	"go.opentelemetry.io/collector/pdata/pcommon"
-	"testing"
-)
-
-func TestHashEmptyResource(t *testing.T) {
-	r := pcommon.NewResource()
-
-	assert.EqualValues(t, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", CalculateResourceAttributesHash(r))
-}
-
-func TestHashSimpleResource(t *testing.T) {
-	r := pcommon.NewResource()
-	r.Attributes().PutStr("k1", "v1")
-	r.Attributes().PutStr("k2", "v2")
-
-	assert.EqualValues(t, "3590bbad8f8a328dbbd5d01c35d8a5fab92c3588cf7e468e995c31d45a51cbef", CalculateResourceAttributesHash(r))
-}
-
-func TestHashReorderedAttributes(t *testing.T) {
-	r1 := pcommon.NewResource()
-	r1.Attributes().PutStr("k1", "v1")
-	r1.Attributes().PutStr("k2", "v2")
-
-	r2 := pcommon.NewResource()
-	r2.Attributes().PutStr("k2", "v2")
-	r2.Attributes().PutStr("k1", "v1")
-
-	assert.EqualValues(t, CalculateResourceAttributesHash(r1), CalculateResourceAttributesHash(r2))
-}
-
-func TestHashDifferentAttributeValues(t *testing.T) {
-	r := pcommon.NewResource()
-	r.Attributes().PutBool("k1", false)
-	r.Attributes().PutDouble("k2", 1.0)
-	r.Attributes().PutEmpty("k3")
-	r.Attributes().PutEmptyBytes("k4")
-	r.Attributes().PutEmptyMap("k5")
-	r.Attributes().PutEmptySlice("k6")
-	r.Attributes().PutInt("k7", 1)
-	r.Attributes().PutStr("k8", "v8")
-
-	assert.EqualValues(t, "46852adab1751045942d67dace7c88665ec0e68b7f4b81a33bb05e5b954a8e57", CalculateResourceAttributesHash(r))
-}