diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d2af8ed127..e7485f7edac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ For semantic convention package changes, see the [semconv CHANGELOG](packages/se
 
 ### :boom: Breaking Change
 
+* feat(sdk-metrics)!: drop deprecated `type` field on `MetricDescriptor` [#5291](https://github.com/open-telemetry/opentelemetry-js/pull/5291)
 * feat(sdk-metrics)!: drop deprecated `InstrumentDescriptor` type; use `MetricDescriptor` instead [#5277](https://github.com/open-telemetry/opentelemetry-js/pull/5266)
 * feat(sdk-metrics)!: bump minimum version of `@opentelemetry/api` peer dependency to 1.9.0 [#5254](https://github.com/open-telemetry/opentelemetry-js/pull/5254) @chancancode
 * chore(shim-opentracing): replace deprecated SpanAttributes [#4430](https://github.com/open-telemetry/opentelemetry-js/pull/4430) @JamieDanielson
diff --git a/experimental/CHANGELOG.md b/experimental/CHANGELOG.md
index d36f0c55c3c..d9ee9efbc72 100644
--- a/experimental/CHANGELOG.md
+++ b/experimental/CHANGELOG.md
@@ -7,6 +7,8 @@ All notable changes to experimental packages in this project will be documented
 
 ### :boom: Breaking Change
 
+* feat(exporter-prometheus)!, feat(shim-opencensus)!: drop support for the deprecated `type` field on `MetricDescriptor` [#5291](https://github.com/open-telemetry/opentelemetry-js/pull/5291)
+
 ### :rocket: (Enhancement)
 
 ### :bug: (Bug Fix)
diff --git a/experimental/packages/opentelemetry-exporter-prometheus/src/PrometheusSerializer.ts b/experimental/packages/opentelemetry-exporter-prometheus/src/PrometheusSerializer.ts
index 5caabe99bdb..bf9abc0b632 100644
--- a/experimental/packages/opentelemetry-exporter-prometheus/src/PrometheusSerializer.ts
+++ b/experimental/packages/opentelemetry-exporter-prometheus/src/PrometheusSerializer.ts
@@ -17,7 +17,6 @@
 import { diag, Attributes, AttributeValue } from '@opentelemetry/api';
 import {
   ResourceMetrics,
-  InstrumentType,
   DataPointType,
   ScopeMetrics,
   MetricData,
@@ -90,10 +89,14 @@ function sanitizePrometheusMetricName(name: string): string {
  */
 function enforcePrometheusNamingConvention(
   name: string,
-  type: InstrumentType
+  data: MetricData
 ): string {
   // Prometheus requires that metrics of the Counter kind have "_total" suffix
-  if (!name.endsWith('_total') && type === InstrumentType.COUNTER) {
+  if (
+    !name.endsWith('_total') &&
+    data.dataPointType === DataPointType.SUM &&
+    data.isMonotonic
+  ) {
     name = name + '_total';
   }
 
@@ -210,7 +213,7 @@ export class PrometheusSerializer {
     }
     const dataPointType = metricData.dataPointType;
 
-    name = enforcePrometheusNamingConvention(name, metricData.descriptor.type);
+    name = enforcePrometheusNamingConvention(name, metricData);
 
     const help = `# HELP ${name} ${escapeString(
       metricData.descriptor.description || 'description missing'
@@ -225,25 +228,13 @@ export class PrometheusSerializer {
       case DataPointType.SUM:
       case DataPointType.GAUGE: {
         results = metricData.dataPoints
-          .map(it =>
-            this._serializeSingularDataPoint(
-              name,
-              metricData.descriptor.type,
-              it
-            )
-          )
+          .map(it => this._serializeSingularDataPoint(name, metricData, it))
           .join('');
         break;
       }
       case DataPointType.HISTOGRAM: {
         results = metricData.dataPoints
-          .map(it =>
-            this._serializeHistogramDataPoint(
-              name,
-              metricData.descriptor.type,
-              it
-            )
-          )
+          .map(it => this._serializeHistogramDataPoint(name, metricData, it))
           .join('');
         break;
       }
@@ -259,12 +250,12 @@ export class PrometheusSerializer {
 
   private _serializeSingularDataPoint(
     name: string,
-    type: InstrumentType,
+    data: MetricData,
     dataPoint: DataPoint<number>
   ): string {
     let results = '';
 
-    name = enforcePrometheusNamingConvention(name, type);
+    name = enforcePrometheusNamingConvention(name, data);
     const { value, attributes } = dataPoint;
     const timestamp = hrTimeToMilliseconds(dataPoint.endTime);
     results += stringify(
@@ -279,12 +270,12 @@ export class PrometheusSerializer {
 
   private _serializeHistogramDataPoint(
     name: string,
-    type: InstrumentType,
+    data: MetricData,
     dataPoint: DataPoint<Histogram>
   ): string {
     let results = '';
 
-    name = enforcePrometheusNamingConvention(name, type);
+    name = enforcePrometheusNamingConvention(name, data);
     const attributes = dataPoint.attributes;
     const histogram = dataPoint.value;
     const timestamp = hrTimeToMilliseconds(dataPoint.endTime);
diff --git a/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusExporter.test.ts b/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusExporter.test.ts
index 66bab19ef8f..6a31edbd827 100644
--- a/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusExporter.test.ts
+++ b/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusExporter.test.ts
@@ -389,9 +389,9 @@ describe('PrometheusExporter', () => {
 
       assert.deepStrictEqual(lines, [
         ...serializedDefaultResourceLines,
-        '# HELP metric_observable_counter a test description',
-        '# TYPE metric_observable_counter counter',
-        'metric_observable_counter{key1="attributeValue1"} 20',
+        '# HELP metric_observable_counter_total a test description',
+        '# TYPE metric_observable_counter_total counter',
+        'metric_observable_counter_total{key1="attributeValue1"} 20',
         '',
       ]);
     });
diff --git a/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusSerializer.test.ts b/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusSerializer.test.ts
index d671a9d7f6d..50dba5ee903 100644
--- a/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusSerializer.test.ts
+++ b/experimental/packages/opentelemetry-exporter-prometheus/test/PrometheusSerializer.test.ts
@@ -107,7 +107,7 @@ describe('PrometheusSerializer', () => {
 
         const result = serializer['_serializeSingularDataPoint'](
           metric.descriptor.name,
-          metric.descriptor.type,
+          metric,
           pointData[0]
         );
         return result;
@@ -162,7 +162,7 @@ describe('PrometheusSerializer', () => {
 
         const result = serializer['_serializeHistogramDataPoint'](
           metric.descriptor.name,
-          metric.descriptor.type,
+          metric,
           pointData[0]
         );
         return result;
@@ -511,7 +511,7 @@ describe('PrometheusSerializer', () => {
       } else {
         const result = serializer['_serializeSingularDataPoint'](
           metric.descriptor.name,
-          metric.descriptor.type,
+          metric,
           pointData[0]
         );
         return result;
@@ -598,7 +598,7 @@ describe('PrometheusSerializer', () => {
 
       const result = serializer['_serializeSingularDataPoint'](
         metric.descriptor.name,
-        metric.descriptor.type,
+        metric,
         pointData[0]
       );
       return result;
diff --git a/experimental/packages/otlp-transformer/test/metrics.test.ts b/experimental/packages/otlp-transformer/test/metrics.test.ts
index 5ad8615548b..d1e77388ee6 100644
--- a/experimental/packages/otlp-transformer/test/metrics.test.ts
+++ b/experimental/packages/otlp-transformer/test/metrics.test.ts
@@ -18,7 +18,6 @@ import { Resource } from '@opentelemetry/resources';
 import {
   AggregationTemporality,
   DataPointType,
-  InstrumentType,
   MetricData,
   ResourceMetrics,
 } from '@opentelemetry/sdk-metrics';
@@ -110,7 +109,6 @@ describe('Metrics', () => {
     return {
       descriptor: {
         description: 'this is a description',
-        type: InstrumentType.COUNTER,
         name: 'counter',
         unit: '1',
         valueType: ValueType.INT,
@@ -136,7 +134,6 @@ describe('Metrics', () => {
     return {
       descriptor: {
         description: 'this is a description',
-        type: InstrumentType.UP_DOWN_COUNTER,
         name: 'up-down-counter',
         unit: '1',
         valueType: ValueType.INT,
@@ -162,7 +159,6 @@ describe('Metrics', () => {
     return {
       descriptor: {
         description: 'this is a description',
-        type: InstrumentType.OBSERVABLE_COUNTER,
         name: 'observable-counter',
         unit: '1',
         valueType: ValueType.INT,
@@ -188,7 +184,6 @@ describe('Metrics', () => {
     return {
       descriptor: {
         description: 'this is a description',
-        type: InstrumentType.OBSERVABLE_UP_DOWN_COUNTER,
         name: 'observable-up-down-counter',
         unit: '1',
         valueType: ValueType.INT,
@@ -211,7 +206,6 @@ describe('Metrics', () => {
     return {
       descriptor: {
         description: 'this is a description',
-        type: InstrumentType.OBSERVABLE_GAUGE,
         name: 'gauge',
         unit: '1',
         valueType: ValueType.DOUBLE,
@@ -241,7 +235,6 @@ describe('Metrics', () => {
     return {
       descriptor: {
         description: 'this is a description',
-        type: InstrumentType.HISTOGRAM,
         name: 'hist',
         unit: '1',
         valueType: ValueType.INT,
@@ -282,7 +275,6 @@ describe('Metrics', () => {
     return {
       descriptor: {
         description: 'this is a description',
-        type: InstrumentType.HISTOGRAM,
         name: 'xhist',
         unit: '1',
         valueType: ValueType.INT,
diff --git a/experimental/packages/shim-opencensus/src/metric-transform.ts b/experimental/packages/shim-opencensus/src/metric-transform.ts
index bc136d0ed2b..2ea91f0d5ae 100644
--- a/experimental/packages/shim-opencensus/src/metric-transform.ts
+++ b/experimental/packages/shim-opencensus/src/metric-transform.ts
@@ -22,14 +22,12 @@ import {
   DataPointType,
   GaugeMetricData,
   HistogramMetricData,
-  InstrumentType,
   MetricData,
   SumMetricData,
 } from '@opentelemetry/sdk-metrics';
 
 type BaseMetric = Omit<MetricData, 'dataPoints' | 'dataPointType'>;
 interface MappedType {
-  type: InstrumentType;
   valueType: ValueType;
   dataPointType:
     | DataPointType.GAUGE
@@ -51,7 +49,6 @@ export function mapOcMetric(metric: oc.Metric): MetricData | null {
       description,
       name,
       unit,
-      type: mappedType.type,
       valueType: mappedType.valueType,
     },
   };
@@ -72,33 +69,28 @@ function mapOcMetricDescriptorType(
   switch (type) {
     case oc.MetricDescriptorType.GAUGE_INT64:
       return {
-        type: InstrumentType.OBSERVABLE_GAUGE,
         valueType: ValueType.INT,
         dataPointType: DataPointType.GAUGE,
       };
     case oc.MetricDescriptorType.GAUGE_DOUBLE:
       return {
-        type: InstrumentType.OBSERVABLE_GAUGE,
         valueType: ValueType.DOUBLE,
         dataPointType: DataPointType.GAUGE,
       };
 
     case oc.MetricDescriptorType.CUMULATIVE_INT64:
       return {
-        type: InstrumentType.COUNTER,
         valueType: ValueType.INT,
         dataPointType: DataPointType.SUM,
       };
     case oc.MetricDescriptorType.CUMULATIVE_DOUBLE:
       return {
-        type: InstrumentType.COUNTER,
         valueType: ValueType.DOUBLE,
         dataPointType: DataPointType.SUM,
       };
 
     case oc.MetricDescriptorType.CUMULATIVE_DISTRIBUTION:
       return {
-        type: InstrumentType.HISTOGRAM,
         valueType: ValueType.DOUBLE,
         dataPointType: DataPointType.HISTOGRAM,
       };
diff --git a/experimental/packages/shim-opencensus/test/OpenCensusMetricProducer.test.ts b/experimental/packages/shim-opencensus/test/OpenCensusMetricProducer.test.ts
index 15b9cc1a6be..db9d018ac6e 100644
--- a/experimental/packages/shim-opencensus/test/OpenCensusMetricProducer.test.ts
+++ b/experimental/packages/shim-opencensus/test/OpenCensusMetricProducer.test.ts
@@ -100,7 +100,6 @@ describe('OpenCensusMetricProducer', () => {
     assert.deepStrictEqual(ocMetric.descriptor, {
       description: 'Test OC description',
       name: 'measure',
-      type: 'COUNTER',
       unit: 'ms',
       valueType: ValueType.DOUBLE,
     });
diff --git a/experimental/packages/shim-opencensus/test/metric-transform.test.ts b/experimental/packages/shim-opencensus/test/metric-transform.test.ts
index 289fbefd0ce..afab45388d5 100644
--- a/experimental/packages/shim-opencensus/test/metric-transform.test.ts
+++ b/experimental/packages/shim-opencensus/test/metric-transform.test.ts
@@ -23,7 +23,6 @@ import {
   DataPointType,
   GaugeMetricData,
   HistogramMetricData,
-  InstrumentType,
   SumMetricData,
 } from '@opentelemetry/sdk-metrics';
 import * as assert from 'assert';
@@ -64,7 +63,6 @@ describe('metric-transform', () => {
       descriptor: {
         description: 'ocDescription',
         name: 'ocMetricName',
-        type: InstrumentType.COUNTER,
         unit: 'ocUnit',
         valueType: ValueType.INT,
       },
@@ -107,7 +105,6 @@ describe('metric-transform', () => {
       descriptor: {
         description: 'ocDescription',
         name: 'ocMetricName',
-        type: InstrumentType.COUNTER,
         unit: 'ocUnit',
         valueType: ValueType.DOUBLE,
       },
@@ -177,7 +174,6 @@ describe('metric-transform', () => {
       descriptor: {
         description: 'ocDescription',
         name: 'ocMetricName',
-        type: InstrumentType.HISTOGRAM,
         unit: 'ocUnit',
         valueType: ValueType.DOUBLE,
       },
@@ -219,7 +215,6 @@ describe('metric-transform', () => {
       descriptor: {
         description: 'ocDescription',
         name: 'ocMetricName',
-        type: InstrumentType.OBSERVABLE_GAUGE,
         unit: 'ocUnit',
         valueType: ValueType.INT,
       },
@@ -261,7 +256,6 @@ describe('metric-transform', () => {
       descriptor: {
         description: 'ocDescription',
         name: 'ocMetricName',
-        type: InstrumentType.OBSERVABLE_GAUGE,
         unit: 'ocUnit',
         valueType: ValueType.DOUBLE,
       },
diff --git a/packages/sdk-metrics/src/InstrumentDescriptor.ts b/packages/sdk-metrics/src/InstrumentDescriptor.ts
index e6d68f7e8fa..7845dd5f044 100644
--- a/packages/sdk-metrics/src/InstrumentDescriptor.ts
+++ b/packages/sdk-metrics/src/InstrumentDescriptor.ts
@@ -31,6 +31,12 @@ import { InstrumentType, MetricDescriptor } from './export/MetricData';
  * which may not contains internal fields like metric advice.
  */
 export interface InstrumentDescriptor extends MetricDescriptor {
+  /**
+   * For internal use; exporter should avoid depending on the type of the
+   * instrument as their resulting aggregator can be re-mapped with views.
+   */
+  readonly type: InstrumentType;
+
   /**
    * See {@link MetricAdvice}
    *
diff --git a/packages/sdk-metrics/src/aggregator/ExponentialHistogram.ts b/packages/sdk-metrics/src/aggregator/ExponentialHistogram.ts
index 5218911176d..af9600c758e 100644
--- a/packages/sdk-metrics/src/aggregator/ExponentialHistogram.ts
+++ b/packages/sdk-metrics/src/aggregator/ExponentialHistogram.ts
@@ -25,11 +25,11 @@ import {
   DataPointType,
   ExponentialHistogramMetricData,
   InstrumentType,
-  MetricDescriptor,
 } from '../export/MetricData';
 import { diag, HrTime } from '@opentelemetry/api';
 import { Maybe } from '../utils';
 import { AggregationTemporality } from '../export/AggregationTemporality';
+import { InstrumentDescriptor } from '../InstrumentDescriptor';
 import { Buckets } from './exponential-histogram/Buckets';
 import { getMapping } from './exponential-histogram/mapping/getMapping';
 import { Mapping } from './exponential-histogram/mapping/types';
@@ -566,7 +566,7 @@ export class ExponentialHistogramAggregator
   }
 
   toMetricData(
-    descriptor: MetricDescriptor,
+    descriptor: InstrumentDescriptor,
     aggregationTemporality: AggregationTemporality,
     accumulationByAttributes: AccumulationRecord<ExponentialHistogramAccumulation>[],
     endTime: HrTime
diff --git a/packages/sdk-metrics/src/aggregator/Histogram.ts b/packages/sdk-metrics/src/aggregator/Histogram.ts
index fa088ae8881..09fae6c122b 100644
--- a/packages/sdk-metrics/src/aggregator/Histogram.ts
+++ b/packages/sdk-metrics/src/aggregator/Histogram.ts
@@ -24,11 +24,11 @@ import {
   DataPointType,
   HistogramMetricData,
   InstrumentType,
-  MetricDescriptor,
 } from '../export/MetricData';
 import { HrTime } from '@opentelemetry/api';
 import { binarySearchUB, Maybe } from '../utils';
 import { AggregationTemporality } from '../export/AggregationTemporality';
+import { InstrumentDescriptor } from '../InstrumentDescriptor';
 
 /**
  * Internal value type for HistogramAggregation.
@@ -217,7 +217,7 @@ export class HistogramAggregator implements Aggregator<HistogramAccumulation> {
   }
 
   toMetricData(
-    descriptor: MetricDescriptor,
+    descriptor: InstrumentDescriptor,
     aggregationTemporality: AggregationTemporality,
     accumulationByAttributes: AccumulationRecord<HistogramAccumulation>[],
     endTime: HrTime
diff --git a/packages/sdk-metrics/src/aggregator/LastValue.ts b/packages/sdk-metrics/src/aggregator/LastValue.ts
index 905e45f1dee..667344eed53 100644
--- a/packages/sdk-metrics/src/aggregator/LastValue.ts
+++ b/packages/sdk-metrics/src/aggregator/LastValue.ts
@@ -23,13 +23,10 @@ import {
 } from './types';
 import { HrTime } from '@opentelemetry/api';
 import { millisToHrTime, hrTimeToMicroseconds } from '@opentelemetry/core';
-import {
-  DataPointType,
-  GaugeMetricData,
-  MetricDescriptor,
-} from '../export/MetricData';
+import { DataPointType, GaugeMetricData } from '../export/MetricData';
 import { Maybe } from '../utils';
 import { AggregationTemporality } from '../export/AggregationTemporality';
+import { InstrumentDescriptor } from '../InstrumentDescriptor';
 
 export class LastValueAccumulation implements Accumulation {
   constructor(
@@ -106,7 +103,7 @@ export class LastValueAggregator implements Aggregator<LastValueAccumulation> {
   }
 
   toMetricData(
-    descriptor: MetricDescriptor,
+    descriptor: InstrumentDescriptor,
     aggregationTemporality: AggregationTemporality,
     accumulationByAttributes: AccumulationRecord<LastValueAccumulation>[],
     endTime: HrTime
diff --git a/packages/sdk-metrics/src/aggregator/Sum.ts b/packages/sdk-metrics/src/aggregator/Sum.ts
index a851e5b9f25..fc1bfe7f652 100644
--- a/packages/sdk-metrics/src/aggregator/Sum.ts
+++ b/packages/sdk-metrics/src/aggregator/Sum.ts
@@ -22,13 +22,10 @@ import {
   AccumulationRecord,
 } from './types';
 import { HrTime } from '@opentelemetry/api';
-import {
-  DataPointType,
-  MetricDescriptor,
-  SumMetricData,
-} from '../export/MetricData';
+import { DataPointType, SumMetricData } from '../export/MetricData';
 import { Maybe } from '../utils';
 import { AggregationTemporality } from '../export/AggregationTemporality';
+import { InstrumentDescriptor } from '../InstrumentDescriptor';
 
 export class SumAccumulation implements Accumulation {
   constructor(
@@ -112,7 +109,7 @@ export class SumAggregator implements Aggregator<SumAccumulation> {
   }
 
   toMetricData(
-    descriptor: MetricDescriptor,
+    descriptor: InstrumentDescriptor,
     aggregationTemporality: AggregationTemporality,
     accumulationByAttributes: AccumulationRecord<SumAccumulation>[],
     endTime: HrTime
diff --git a/packages/sdk-metrics/src/aggregator/types.ts b/packages/sdk-metrics/src/aggregator/types.ts
index c97aa60865d..7f9596788c1 100644
--- a/packages/sdk-metrics/src/aggregator/types.ts
+++ b/packages/sdk-metrics/src/aggregator/types.ts
@@ -16,8 +16,9 @@
 
 import { HrTime, Attributes } from '@opentelemetry/api';
 import { AggregationTemporality } from '../export/AggregationTemporality';
-import { MetricData, MetricDescriptor } from '../export/MetricData';
+import { MetricData } from '../export/MetricData';
 import { Maybe } from '../utils';
+import { InstrumentDescriptor } from '../InstrumentDescriptor';
 
 /** The kind of aggregator. */
 export enum AggregatorKind {
@@ -134,7 +135,7 @@ export interface Aggregator<T> {
    * @return the {@link MetricData} that this {@link Aggregator} will produce.
    */
   toMetricData(
-    descriptor: MetricDescriptor,
+    descriptor: InstrumentDescriptor,
     aggregationTemporality: AggregationTemporality,
     accumulationByAttributes: AccumulationRecord<T>[],
     endTime: HrTime
diff --git a/packages/sdk-metrics/src/export/MetricData.ts b/packages/sdk-metrics/src/export/MetricData.ts
index f5ebe1f864e..ecf5a0a62d5 100644
--- a/packages/sdk-metrics/src/export/MetricData.ts
+++ b/packages/sdk-metrics/src/export/MetricData.ts
@@ -37,11 +37,6 @@ export interface MetricDescriptor {
   readonly name: string;
   readonly description: string;
   readonly unit: string;
-  /**
-   * @deprecated exporter should avoid depending on the type of the instrument
-   * as their resulting aggregator can be re-mapped with views.
-   */
-  readonly type: InstrumentType;
   readonly valueType: ValueType;
 }
 
diff --git a/packages/sdk-metrics/test/Instruments.test.ts b/packages/sdk-metrics/test/Instruments.test.ts
index a3348a2f889..161e9711fa8 100644
--- a/packages/sdk-metrics/test/Instruments.test.ts
+++ b/packages/sdk-metrics/test/Instruments.test.ts
@@ -24,9 +24,9 @@ import {
   Histogram,
   InstrumentType,
   MeterProvider,
-  MetricDescriptor,
   MetricReader,
 } from '../src';
+import { InstrumentDescriptor } from '../src/InstrumentDescriptor';
 import {
   TestDeltaMetricReader,
   TestMetricReader,
@@ -63,6 +63,7 @@ describe('Instruments', () => {
           unit: 'kB',
           type: InstrumentType.COUNTER,
           valueType: ValueType.DOUBLE,
+          advice: {},
         },
       });
     });
@@ -89,6 +90,7 @@ describe('Instruments', () => {
           unit: '',
           type: InstrumentType.COUNTER,
           valueType: ValueType.INT,
+          advice: {},
         },
         dataPointType: DataPointType.SUM,
         isMonotonic: true,
@@ -191,6 +193,7 @@ describe('Instruments', () => {
           unit: 'kB',
           type: InstrumentType.UP_DOWN_COUNTER,
           valueType: ValueType.DOUBLE,
+          advice: {},
         },
       });
     });
@@ -219,6 +222,7 @@ describe('Instruments', () => {
           unit: '',
           type: InstrumentType.UP_DOWN_COUNTER,
           valueType: ValueType.INT,
+          advice: {},
         },
         dataPointType: DataPointType.SUM,
         isMonotonic: false,
@@ -286,6 +290,7 @@ describe('Instruments', () => {
           unit: 'kB',
           type: InstrumentType.HISTOGRAM,
           valueType: ValueType.DOUBLE,
+          advice: {},
         },
       });
     });
@@ -314,6 +319,7 @@ describe('Instruments', () => {
           unit: '',
           type: InstrumentType.HISTOGRAM,
           valueType: ValueType.INT,
+          advice: {},
         },
         dataPointType: DataPointType.HISTOGRAM,
         dataPoints: [
@@ -374,6 +380,9 @@ describe('Instruments', () => {
           unit: '',
           type: InstrumentType.HISTOGRAM,
           valueType: ValueType.INT,
+          advice: {
+            explicitBucketBoundaries: [1, 9, 100],
+          },
         },
         dataPointType: DataPointType.HISTOGRAM,
         dataPoints: [
@@ -443,6 +452,7 @@ describe('Instruments', () => {
           unit: '',
           type: InstrumentType.HISTOGRAM,
           valueType: ValueType.INT,
+          advice: {},
         },
         dataPointType: DataPointType.HISTOGRAM,
         dataPoints: [
@@ -473,6 +483,7 @@ describe('Instruments', () => {
           unit: '',
           type: InstrumentType.HISTOGRAM,
           valueType: ValueType.INT,
+          advice: {},
         },
         dataPointType: DataPointType.HISTOGRAM,
         dataPoints: [
@@ -827,7 +838,7 @@ function setup() {
 interface ValidateMetricData {
   resource?: Resource;
   instrumentationScope?: InstrumentationScope;
-  descriptor?: MetricDescriptor;
+  descriptor?: InstrumentDescriptor;
   dataPointType?: DataPointType;
   dataPoints?: Partial<DataPoint<number | Partial<Histogram>>>[];
   isMonotonic?: boolean;
diff --git a/packages/sdk-metrics/test/aggregator/ExponentialHistogram.test.ts b/packages/sdk-metrics/test/aggregator/ExponentialHistogram.test.ts
index cdeb4cc7618..1dd57faa540 100644
--- a/packages/sdk-metrics/test/aggregator/ExponentialHistogram.test.ts
+++ b/packages/sdk-metrics/test/aggregator/ExponentialHistogram.test.ts
@@ -800,6 +800,7 @@ describe('ExponentialHistogramAggregation', () => {
           type: instrumentType,
           unit: '1',
           valueType: ValueType.DOUBLE,
+          advice: {},
         },
         AggregationTemporality.CUMULATIVE,
         [[{}, acc]],
diff --git a/packages/sdk-metrics/test/aggregator/Histogram.test.ts b/packages/sdk-metrics/test/aggregator/Histogram.test.ts
index 036d79cc0e4..7a9fa851e94 100644
--- a/packages/sdk-metrics/test/aggregator/Histogram.test.ts
+++ b/packages/sdk-metrics/test/aggregator/Histogram.test.ts
@@ -312,6 +312,7 @@ describe('HistogramAggregator', () => {
           type: instrumentType,
           unit: '1',
           valueType: ValueType.DOUBLE,
+          advice: {},
         },
         AggregationTemporality.CUMULATIVE,
         [[{}, accumulation]],
diff --git a/packages/sdk-metrics/test/export/MetricReader.test.ts b/packages/sdk-metrics/test/export/MetricReader.test.ts
index cc091c97977..2e4439872a1 100644
--- a/packages/sdk-metrics/test/export/MetricReader.test.ts
+++ b/packages/sdk-metrics/test/export/MetricReader.test.ts
@@ -24,7 +24,6 @@ import {
   AggregationTemporality,
   AggregationType,
   DataPointType,
-  InstrumentType,
   ScopeMetrics,
 } from '../../src';
 import {
@@ -59,7 +58,6 @@ const testScopeMetrics: ScopeMetrics[] = [
         descriptor: {
           name: 'additionalCounter',
           unit: '',
-          type: InstrumentType.COUNTER,
           description: '',
           valueType: ValueType.INT,
         },
diff --git a/packages/sdk-metrics/test/util.ts b/packages/sdk-metrics/test/util.ts
index 5786ba424d1..3aa4ced9e71 100644
--- a/packages/sdk-metrics/test/util.ts
+++ b/packages/sdk-metrics/test/util.ts
@@ -31,7 +31,6 @@ import {
   DataPoint,
   DataPointType,
   ScopeMetrics,
-  MetricDescriptor,
 } from '../src/export/MetricData';
 import { isNotNullish } from '../src/utils';
 import { HrTime } from '@opentelemetry/api';
@@ -103,7 +102,7 @@ export function assertScopeMetrics(
 export function assertMetricData(
   actual: unknown,
   dataPointType?: DataPointType,
-  metricDescriptor: Partial<MetricDescriptor> | null = defaultInstrumentDescriptor,
+  metricDescriptor: Partial<InstrumentDescriptor> | null = defaultInstrumentDescriptor,
   aggregationTemporality?: AggregationTemporality
 ): asserts actual is MetricData {
   const it = actual as MetricData;