diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
index 6b8601a7f81..f1ce29e689a 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md
@@ -41,6 +41,10 @@ exception. The attribute value will be set to full name of exception type.
   path.
   ([#5044](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5044))
 
+* Removed `network.protocol.name` from `http.server.request.duration` metric as
+  per spec.
+  ([#5049](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5049))
+
 ## 1.6.0-beta.2
 
 Released 2023-Oct-26
diff --git a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs
index 6375d8f7acd..e85536c66e2 100644
--- a/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs
+++ b/src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs
@@ -188,7 +188,6 @@ public void OnEventWritten_New(string name, object payload)
         TagList tags = default;
 
         // see the spec https://github.com/open-telemetry/semantic-conventions/blob/v1.21.0/docs/http/http-spans.md
-        tags.Add(new KeyValuePair<string, object>(SemanticConventions.AttributeNetworkProtocolName, NetworkProtocolName));
         tags.Add(new KeyValuePair<string, object>(SemanticConventions.AttributeNetworkProtocolVersion, HttpTagHelper.GetFlavorTagValueFromProtocol(context.Request.Protocol)));
         tags.Add(new KeyValuePair<string, object>(SemanticConventions.AttributeUrlScheme, context.Request.Scheme));
         tags.Add(new KeyValuePair<string, object>(SemanticConventions.AttributeHttpResponseStatusCode, TelemetryHelper.GetBoxedStatusCode(context.Response.StatusCode)));
diff --git a/src/OpenTelemetry.Instrumentation.Http/CHANGELOG.md b/src/OpenTelemetry.Instrumentation.Http/CHANGELOG.md
index 48fcda3d101..1cf6558302c 100644
--- a/src/OpenTelemetry.Instrumentation.Http/CHANGELOG.md
+++ b/src/OpenTelemetry.Instrumentation.Http/CHANGELOG.md
@@ -118,6 +118,10 @@ Released 2023-Oct-26
   definition.
   ([#4990](https://github.com/open-telemetry/opentelemetry-dotnet/pull/4990))
 
+* `dns.lookups.duration` metric is renamed to `dns.lookup.duration`. This change
+  impacts only users on `.NET8.0` or newer framework.
+  ([#5049](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5049))
+
 ## 1.5.1-beta.1
 
 Released 2023-Jul-20
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/MetricTests.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/MetricTests.cs
index 0185df65271..e1123b5d49f 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/MetricTests.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/MetricTests.cs
@@ -242,7 +242,7 @@ public async Task RequestMetricIsCaptured_New(string api, string expectedRoute,
             expectedRoutes: new List<string> { expectedRoute },
             expectedErrorType,
             expectedStatusCode,
-            expectedTagsCount: expectedErrorType == null ? 6 : 7);
+            expectedTagsCount: expectedErrorType == null ? 5 : 6);
     }
 
     [Theory]
@@ -440,7 +440,7 @@ public async Task RequestMetricIsCaptured_Dup()
             expectedRoutes: new List<string> { "api/Values", "api/Values/{id}" },
             null,
             200,
-            expectedTagsCount: 6);
+            expectedTagsCount: 5);
     }
 #endif
 
@@ -565,13 +565,8 @@ private static KeyValuePair<string, object>[] AssertMetricPoint_New(
 
         if (expectedErrorType != null)
         {
-#if NET8_0_OR_GREATER
-            // Expected to change in next release
-            // https://github.com/dotnet/aspnetcore/issues/51029
-            var errorType = new KeyValuePair<string, object>("exception.type", expectedErrorType);
-#else
             var errorType = new KeyValuePair<string, object>(SemanticConventions.AttributeErrorType, expectedErrorType);
-#endif
+
             Assert.Contains(errorType, attributes);
         }
 
diff --git a/test/OpenTelemetry.Instrumentation.Http.Tests/HttpClientTests.cs b/test/OpenTelemetry.Instrumentation.Http.Tests/HttpClientTests.cs
index c957c14840d..8a57b5c1651 100644
--- a/test/OpenTelemetry.Instrumentation.Http.Tests/HttpClientTests.cs
+++ b/test/OpenTelemetry.Instrumentation.Http.Tests/HttpClientTests.cs
@@ -189,8 +189,6 @@ public async Task ValidateNet8MetricsAsync(HttpTestData.HttpOutTestCase tc)
             meterProvider.Dispose();
         }
 
-        // dns.lookups.duration is a typo
-        // https://github.com/dotnet/runtime/issues/92917
         var requestMetrics = metrics
             .Where(metric =>
             metric.Name == "http.client.request.duration" ||
@@ -198,7 +196,7 @@ public async Task ValidateNet8MetricsAsync(HttpTestData.HttpOutTestCase tc)
             metric.Name == "http.client.request.time_in_queue" ||
             metric.Name == "http.client.connection.duration" ||
             metric.Name == "http.client.open_connections" ||
-            metric.Name == "dns.lookups.duration")
+            metric.Name == "dns.lookup.duration")
             .ToArray();
 
         if (tc.ResponseExpected)