diff --git a/.github/workflows/markdownlint.yml b/.github/workflows/markdownlint.yml
index 6f4faf7cb21..887b96a65f0 100644
--- a/.github/workflows/markdownlint.yml
+++ b/.github/workflows/markdownlint.yml
@@ -3,7 +3,7 @@ name: markdownlint
 on:
   push:
     branches: [ main, metrics ]
-    paths-ignore:
+    paths:
     - '**.md'
   pull_request:
     branches: [ main, metrics ]
diff --git a/docs/metrics/getting-started/Program.cs b/docs/metrics/getting-started/Program.cs
index e8aa9c63267..dec6c5a3889 100644
--- a/docs/metrics/getting-started/Program.cs
+++ b/docs/metrics/getting-started/Program.cs
@@ -14,7 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Collections.Generic;
 using System.Diagnostics.Metrics;
 using System.Threading;
diff --git a/examples/Console/TestPrometheusExporter.cs b/examples/Console/TestPrometheusExporter.cs
index 34ef6efcf08..17fbe05e435 100644
--- a/examples/Console/TestPrometheusExporter.cs
+++ b/examples/Console/TestPrometheusExporter.cs
@@ -14,9 +14,7 @@
 // limitations under the License.
 // </copyright>
 
-using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Diagnostics.Metrics;
 using System.Threading;
 using System.Threading.Tasks;
diff --git a/src/OpenTelemetry.Exporter.Prometheus/PrometheusExporter.cs b/src/OpenTelemetry.Exporter.Prometheus/PrometheusExporter.cs
index ea51da4cf56..7f85f1ba7e8 100644
--- a/src/OpenTelemetry.Exporter.Prometheus/PrometheusExporter.cs
+++ b/src/OpenTelemetry.Exporter.Prometheus/PrometheusExporter.cs
@@ -15,9 +15,6 @@
 // </copyright>
 
 using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using OpenTelemetry.Metrics;
 
 namespace OpenTelemetry.Exporter
diff --git a/src/OpenTelemetry/Logs/LogRecord.cs b/src/OpenTelemetry/Logs/LogRecord.cs
index a0aa6fff8c0..a73d11c9cbd 100644
--- a/src/OpenTelemetry/Logs/LogRecord.cs
+++ b/src/OpenTelemetry/Logs/LogRecord.cs
@@ -17,7 +17,6 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
-using System.Runtime.CompilerServices;
 using Microsoft.Extensions.Logging;
 
 namespace OpenTelemetry.Logs
diff --git a/src/OpenTelemetry/Logs/OpenTelemetryLoggingExtensions.cs b/src/OpenTelemetry/Logs/OpenTelemetryLoggingExtensions.cs
index 5e957170bf7..7affea1ef02 100644
--- a/src/OpenTelemetry/Logs/OpenTelemetryLoggingExtensions.cs
+++ b/src/OpenTelemetry/Logs/OpenTelemetryLoggingExtensions.cs
@@ -19,7 +19,6 @@
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Configuration;
-using OpenTelemetry;
 using OpenTelemetry.Logs;
 
 namespace Microsoft.Extensions.Logging
diff --git a/src/OpenTelemetry/Metrics/DataPoint/DataValue.cs b/src/OpenTelemetry/Metrics/DataPoint/DataValue.cs
index e3db6eef5a0..cfbe935a226 100644
--- a/src/OpenTelemetry/Metrics/DataPoint/DataValue.cs
+++ b/src/OpenTelemetry/Metrics/DataPoint/DataValue.cs
@@ -14,8 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
-
 namespace OpenTelemetry.Metrics
 {
     public readonly struct DataValue : IDataValue
diff --git a/src/OpenTelemetry/Metrics/Processors/PullMetricProcessor.cs b/src/OpenTelemetry/Metrics/Processors/PullMetricProcessor.cs
index e9ce9412b98..c0383278dc2 100644
--- a/src/OpenTelemetry/Metrics/Processors/PullMetricProcessor.cs
+++ b/src/OpenTelemetry/Metrics/Processors/PullMetricProcessor.cs
@@ -15,8 +15,6 @@
 // </copyright>
 
 using System;
-using System.Threading;
-using System.Threading.Tasks;
 
 namespace OpenTelemetry.Metrics
 {
diff --git a/src/OpenTelemetry/Metrics/ThreadStaticStorage.cs b/src/OpenTelemetry/Metrics/ThreadStaticStorage.cs
index 78053e1166e..d0c109b5ea1 100644
--- a/src/OpenTelemetry/Metrics/ThreadStaticStorage.cs
+++ b/src/OpenTelemetry/Metrics/ThreadStaticStorage.cs
@@ -16,7 +16,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Diagnostics.Metrics;
 using System.Runtime.CompilerServices;
 
 namespace OpenTelemetry.Metrics
diff --git a/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/Int128Test.cs b/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/Int128Test.cs
index 165f34fdc96..09a2cf8ccc8 100644
--- a/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/Int128Test.cs
+++ b/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/Int128Test.cs
@@ -15,10 +15,9 @@
 // </copyright>
 
 using System.Diagnostics;
-using OpenTelemetry.Exporter.Jaeger.Implementation;
 using Xunit;
 
-namespace OpenTelemetry.Exporter.Jaeger.Tests.Implementation
+namespace OpenTelemetry.Exporter.Jaeger.Implementation.Tests
 {
     public class Int128Test
     {
diff --git a/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/JaegerActivityConversionTest.cs b/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/JaegerActivityConversionTest.cs
index b691a66b5ec..1670e37876b 100644
--- a/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/JaegerActivityConversionTest.cs
+++ b/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/JaegerActivityConversionTest.cs
@@ -17,14 +17,12 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
-
-using OpenTelemetry.Exporter.Jaeger.Implementation;
 using OpenTelemetry.Internal;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
 using Xunit;
 
-namespace OpenTelemetry.Exporter.Jaeger.Tests.Implementation
+namespace OpenTelemetry.Exporter.Jaeger.Implementation.Tests
 {
     public class JaegerActivityConversionTest
     {
diff --git a/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/ThriftUdpClientTransportTests.cs b/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/ThriftUdpClientTransportTests.cs
index 730a4754d30..01764860d3d 100644
--- a/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/ThriftUdpClientTransportTests.cs
+++ b/test/OpenTelemetry.Exporter.Jaeger.Tests/Implementation/ThriftUdpClientTransportTests.cs
@@ -18,11 +18,10 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Moq;
-using OpenTelemetry.Exporter.Jaeger.Implementation;
 using Thrift.Transport;
 using Xunit;
 
-namespace OpenTelemetry.Exporter.Jaeger.Tests.Implementation
+namespace OpenTelemetry.Exporter.Jaeger.Implementation.Tests
 {
     public class ThriftUdpClientTransportTests : IDisposable
     {
diff --git a/test/OpenTelemetry.Exporter.Jaeger.Tests/JaegerExporterTests.cs b/test/OpenTelemetry.Exporter.Jaeger.Tests/JaegerExporterTests.cs
index 6e301fb40c3..2fef9caf334 100644
--- a/test/OpenTelemetry.Exporter.Jaeger.Tests/JaegerExporterTests.cs
+++ b/test/OpenTelemetry.Exporter.Jaeger.Tests/JaegerExporterTests.cs
@@ -19,7 +19,7 @@
 using System.Diagnostics;
 using System.Linq;
 using OpenTelemetry.Exporter.Jaeger.Implementation;
-using OpenTelemetry.Exporter.Jaeger.Tests.Implementation;
+using OpenTelemetry.Exporter.Jaeger.Implementation.Tests;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
 using Thrift.Protocol;
diff --git a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OtlpTraceExporterTests.cs b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OtlpTraceExporterTests.cs
index 832d163090a..94a13f28060 100644
--- a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OtlpTraceExporterTests.cs
+++ b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OtlpTraceExporterTests.cs
@@ -20,7 +20,6 @@
 using System.Linq;
 using System.Reflection;
 using System.Threading;
-using Google.Protobuf.Collections;
 using Grpc.Core;
 using OpenTelemetry.Exporter.OpenTelemetryProtocol.Implementation;
 using OpenTelemetry.Resources;
diff --git a/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityConversionExtensionsTest.cs b/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityConversionExtensionsTest.cs
index 8a2ab8de7d2..db112f92a90 100644
--- a/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityConversionExtensionsTest.cs
+++ b/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityConversionExtensionsTest.cs
@@ -19,7 +19,7 @@
 using Xunit;
 using static OpenTelemetry.Exporter.Zipkin.Implementation.ZipkinActivityConversionExtensions;
 
-namespace OpenTelemetry.Exporter.Zipkin.Tests.Implementation
+namespace OpenTelemetry.Exporter.Zipkin.Implementation.Tests
 {
     public class ZipkinActivityConversionExtensionsTest
     {
diff --git a/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityConversionTest.cs b/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityConversionTest.cs
index b1986e23f14..e422e31436a 100644
--- a/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityConversionTest.cs
+++ b/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityConversionTest.cs
@@ -15,12 +15,12 @@
 // </copyright>
 
 using System.Linq;
-using OpenTelemetry.Exporter.Zipkin.Implementation;
+using OpenTelemetry.Exporter.Zipkin.Tests;
 using OpenTelemetry.Internal;
 using OpenTelemetry.Trace;
 using Xunit;
 
-namespace OpenTelemetry.Exporter.Zipkin.Tests.Implementation
+namespace OpenTelemetry.Exporter.Zipkin.Implementation.Tests
 {
     public class ZipkinActivityConversionTest
     {
diff --git a/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityExporterRemoteEndpointTests.cs b/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityExporterRemoteEndpointTests.cs
index 240e8daca4b..9d1aeb644f5 100644
--- a/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityExporterRemoteEndpointTests.cs
+++ b/test/OpenTelemetry.Exporter.Zipkin.Tests/Implementation/ZipkinActivityExporterRemoteEndpointTests.cs
@@ -15,11 +15,11 @@
 // </copyright>
 
 using System.Collections.Generic;
-using OpenTelemetry.Exporter.Zipkin.Implementation;
+using OpenTelemetry.Exporter.Zipkin.Tests;
 using OpenTelemetry.Trace;
 using Xunit;
 
-namespace OpenTelemetry.Exporter.Zipkin.Tests.Implementation
+namespace OpenTelemetry.Exporter.Zipkin.Implementation.Tests
 {
     public class ZipkinActivityExporterRemoteEndpointTests
     {
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/DependencyInjectionConfigTests.cs b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/DependencyInjectionConfigTests.cs
index dfd8ad2b77b..cce05338e77 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/DependencyInjectionConfigTests.cs
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/DependencyInjectionConfigTests.cs
@@ -14,8 +14,6 @@
 // limitations under the License.
 // </copyright>
 
-using System;
-using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc.Testing;
 using Microsoft.AspNetCore.TestHost;
 using Microsoft.Extensions.DependencyInjection;
diff --git a/test/OpenTelemetry.Instrumentation.Grpc.Tests/GrpcTests.server.cs b/test/OpenTelemetry.Instrumentation.Grpc.Tests/GrpcTests.server.cs
index bfe23c2c71c..08c3e0290e1 100644
--- a/test/OpenTelemetry.Instrumentation.Grpc.Tests/GrpcTests.server.cs
+++ b/test/OpenTelemetry.Instrumentation.Grpc.Tests/GrpcTests.server.cs
@@ -24,7 +24,7 @@
 using Grpc.Net.Client;
 using Moq;
 using OpenTelemetry.Context.Propagation;
-using OpenTelemetry.Instrumentation.Grpc.Tests.Services;
+using OpenTelemetry.Instrumentation.Grpc.Services.Tests;
 using OpenTelemetry.Instrumentation.GrpcNetClient;
 using OpenTelemetry.Trace;
 using Xunit;
diff --git a/test/OpenTelemetry.Instrumentation.Grpc.Tests/Services/GreeterService.cs b/test/OpenTelemetry.Instrumentation.Grpc.Tests/Services/GreeterService.cs
index d2b60d5ae66..f7411f6a1a1 100644
--- a/test/OpenTelemetry.Instrumentation.Grpc.Tests/Services/GreeterService.cs
+++ b/test/OpenTelemetry.Instrumentation.Grpc.Tests/Services/GreeterService.cs
@@ -18,7 +18,7 @@
 using Grpc.Core;
 using Microsoft.Extensions.Logging;
 
-namespace OpenTelemetry.Instrumentation.Grpc.Tests.Services
+namespace OpenTelemetry.Instrumentation.Grpc.Services.Tests
 {
     public class GreeterService : Greeter.GreeterBase
     {
diff --git a/test/OpenTelemetry.Tests/Internal/CircularBufferTest.cs b/test/OpenTelemetry.Tests/Internal/CircularBufferTest.cs
index f5047a1e5f1..387a9162623 100644
--- a/test/OpenTelemetry.Tests/Internal/CircularBufferTest.cs
+++ b/test/OpenTelemetry.Tests/Internal/CircularBufferTest.cs
@@ -15,10 +15,9 @@
 // </copyright>
 
 using System;
-using OpenTelemetry.Internal;
 using Xunit;
 
-namespace OpenTelemetry.Tests.Internal
+namespace OpenTelemetry.Internal.Tests
 {
     public class CircularBufferTest
     {
diff --git a/test/OpenTelemetry.Tests/Logs/LogRecordTest.cs b/test/OpenTelemetry.Tests/Logs/LogRecordTest.cs
index f0e40724e2d..29f6c2b3878 100644
--- a/test/OpenTelemetry.Tests/Logs/LogRecordTest.cs
+++ b/test/OpenTelemetry.Tests/Logs/LogRecordTest.cs
@@ -23,10 +23,11 @@
 using Microsoft.Extensions.Logging;
 using OpenTelemetry.Exporter;
 using OpenTelemetry.Logs;
+using OpenTelemetry.Tests;
 using OpenTelemetry.Trace;
 using Xunit;
 
-namespace OpenTelemetry.Tests.Logs
+namespace OpenTelemetry.Logs.Tests
 {
     public sealed class LogRecordTest : IDisposable
     {