diff --git a/src/OpenTelemetry.Exporter.Geneva/EventNameExportMode.cs b/src/OpenTelemetry.Exporter.Geneva/EventNameExportMode.cs
index ab0183c1e5..dd87d4e8c9 100644
--- a/src/OpenTelemetry.Exporter.Geneva/EventNameExportMode.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/EventNameExportMode.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 namespace OpenTelemetry.Exporter.Geneva;
 
 /// <summary>
diff --git a/src/OpenTelemetry.Exporter.Geneva/ExceptionStackExportMode.cs b/src/OpenTelemetry.Exporter.Geneva/ExceptionStackExportMode.cs
index de9e62607c..9030a32b9c 100644
--- a/src/OpenTelemetry.Exporter.Geneva/ExceptionStackExportMode.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/ExceptionStackExportMode.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 namespace OpenTelemetry.Exporter.Geneva;
 
 /// <summary>
diff --git a/src/OpenTelemetry.Exporter.Geneva/External/TraceLoggingDynamic.cs b/src/OpenTelemetry.Exporter.Geneva/External/TraceLoggingDynamic.cs
index e2cea7bb1f..ef2395dad8 100644
--- a/src/OpenTelemetry.Exporter.Geneva/External/TraceLoggingDynamic.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/External/TraceLoggingDynamic.cs
@@ -71,7 +71,6 @@ Most ETW decoding tools are unable to decode an event with more than 128
 fields.
 */
 
-#nullable enable
 
 namespace OpenTelemetry.Exporter.Geneva.External;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/GenevaBaseExporter.cs b/src/OpenTelemetry.Exporter.Geneva/GenevaBaseExporter.cs
index 452ae78f1e..0dcfe55ce3 100644
--- a/src/OpenTelemetry.Exporter.Geneva/GenevaBaseExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/GenevaBaseExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 namespace OpenTelemetry.Exporter.Geneva;
 
 /// <summary>
diff --git a/src/OpenTelemetry.Exporter.Geneva/GenevaExporterHelperExtensions.cs b/src/OpenTelemetry.Exporter.Geneva/GenevaExporterHelperExtensions.cs
index fda33995c1..380000d30c 100644
--- a/src/OpenTelemetry.Exporter.Geneva/GenevaExporterHelperExtensions.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/GenevaExporterHelperExtensions.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
diff --git a/src/OpenTelemetry.Exporter.Geneva/GenevaExporterOptions.cs b/src/OpenTelemetry.Exporter.Geneva/GenevaExporterOptions.cs
index 849b294894..2d508399f4 100644
--- a/src/OpenTelemetry.Exporter.Geneva/GenevaExporterOptions.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/GenevaExporterOptions.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Text;
 using OpenTelemetry.Internal;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/GenevaLogExporter.cs b/src/OpenTelemetry.Exporter.Geneva/GenevaLogExporter.cs
index 199e46ea08..b7970d1169 100644
--- a/src/OpenTelemetry.Exporter.Geneva/GenevaLogExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/GenevaLogExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Runtime.InteropServices;
 using OpenTelemetry.Exporter.Geneva.MsgPack;
 using OpenTelemetry.Exporter.Geneva.Tld;
diff --git a/src/OpenTelemetry.Exporter.Geneva/GenevaLoggingExtensions.cs b/src/OpenTelemetry.Exporter.Geneva/GenevaLoggingExtensions.cs
index bc6bc3371e..3a0e4d1189 100644
--- a/src/OpenTelemetry.Exporter.Geneva/GenevaLoggingExtensions.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/GenevaLoggingExtensions.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
diff --git a/src/OpenTelemetry.Exporter.Geneva/GenevaTraceExporter.cs b/src/OpenTelemetry.Exporter.Geneva/GenevaTraceExporter.cs
index 5d472e2519..9393e0aa85 100644
--- a/src/OpenTelemetry.Exporter.Geneva/GenevaTraceExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/GenevaTraceExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using System.Runtime.InteropServices;
 using OpenTelemetry.Exporter.Geneva.MsgPack;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/ConnectionStringBuilder.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/ConnectionStringBuilder.cs
index 2f0e32f07e..169f3f1a7e 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/ConnectionStringBuilder.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/ConnectionStringBuilder.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using OpenTelemetry.Exporter.Geneva.Transports;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/ExporterEventSource.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/ExporterEventSource.cs
index d7dacb2383..19c4d4014d 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/ExporterEventSource.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/ExporterEventSource.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics.Tracing;
 using OpenTelemetry.Internal;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MessagePackSerializer.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MessagePackSerializer.cs
index ca0a5a4ce9..dd5c0312ac 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MessagePackSerializer.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MessagePackSerializer.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 #if NET
 using System.Buffers.Binary;
 #endif
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackExporter.cs
index 3d7bb7def1..cf91ac510d 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 #if NET
 using System.Collections.Frozen;
 #endif
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackLogExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackLogExporter.cs
index 4371d7d373..0c845aaa9f 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackLogExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackLogExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 #if NET
 using System.Collections.Frozen;
 #endif
@@ -175,7 +173,6 @@ internal ArraySegment<byte> SerializeLogRecord(LogRecord logRecord)
         // `LogRecord.State` and `LogRecord.StateValues` were marked Obsolete in https://github.com/open-telemetry/opentelemetry-dotnet/pull/4334
 #pragma warning disable 0618
         IReadOnlyList<KeyValuePair<string, object?>>? listKvp;
-
         if (logRecord.StateValues != null)
         {
             listKvp = logRecord.StateValues;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackTraceExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackTraceExporter.cs
index 9c0d15beef..675305ad16 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackTraceExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/MsgPack/MsgPackTraceExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 #if NET
 using System.Collections.Frozen;
 #endif
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/ReentrantActivityExportProcessor.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/ReentrantActivityExportProcessor.cs
index 59e732a10d..fff9eebf9c 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/ReentrantActivityExportProcessor.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/ReentrantActivityExportProcessor.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 
 namespace OpenTelemetry.Exporter.Geneva;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/ReentrantExportProcessor.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/ReentrantExportProcessor.cs
index b53e74861f..b0da2159fc 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/ReentrantExportProcessor.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/ReentrantExportProcessor.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Linq.Expressions;
 using System.Reflection;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Schema.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Schema.cs
index 39a9fb2931..b665743364 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Schema.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Schema.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 namespace OpenTelemetry.Exporter.Geneva;
 
 internal static class Schema
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/TableNameSerializer.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/TableNameSerializer.cs
index 15282d29ae..db60ffe605 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/TableNameSerializer.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/TableNameSerializer.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
 using System.Text;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/JsonSerializer.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/JsonSerializer.cs
index 8249dc0b50..35a2d8a960 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/JsonSerializer.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/JsonSerializer.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Globalization;
 using System.Runtime.CompilerServices;
 using System.Text;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldExporter.cs
index 9c3712a94c..ca52b09a1f 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using System.Globalization;
 using System.Runtime.CompilerServices;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldLogExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldLogExporter.cs
index 96e7062a11..4aeb5895e8 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldLogExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldLogExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using System.Globalization;
 using System.Runtime.CompilerServices;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldTraceExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldTraceExporter.cs
index 062e97c875..4e1ae97ceb 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldTraceExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/TldTraceExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using System.Globalization;
 using System.Text;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/UncheckedASCIIEncoding.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/UncheckedASCIIEncoding.cs
index 04085f22c2..25c4f19591 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/UncheckedASCIIEncoding.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Tld/UncheckedASCIIEncoding.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Text;
 using OpenTelemetry.Internal;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/EtwDataTransport.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/EtwDataTransport.cs
index d25d88fcf3..16797ef848 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/EtwDataTransport.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/EtwDataTransport.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 #if NET
 using System.Diagnostics.CodeAnalysis;
 #endif
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/IDataTransport.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/IDataTransport.cs
index 36746697ee..daccc87059 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/IDataTransport.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/IDataTransport.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 namespace OpenTelemetry.Exporter.Geneva.Transports;
 
 internal interface IDataTransport
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/UnixDomainSocketDataTransport.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/UnixDomainSocketDataTransport.cs
index 8a2c4e036f..cf395e03f8 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/UnixDomainSocketDataTransport.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/UnixDomainSocketDataTransport.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics.CodeAnalysis;
 using System.Net;
 using System.Net.Sockets;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/UnixDomainSocketEndPoint.cs b/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/UnixDomainSocketEndPoint.cs
index 62f87ce1f1..a4d6ca0fc6 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/UnixDomainSocketEndPoint.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Internal/Transports/UnixDomainSocketEndPoint.cs
@@ -3,8 +3,6 @@
 
 #if !NET
 
-#nullable enable
-
 using System.Text;
 using OpenTelemetry.Internal;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporter.cs
index ade4ff8593..ed78dda6ee 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Reflection;
 using System.Text.RegularExpressions;
 using OpenTelemetry.Exporter.Geneva.Metrics;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporterExtensions.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporterExtensions.cs
index 9f876453d4..c2642a17ed 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporterExtensions.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporterExtensions.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 using OpenTelemetry.Internal;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporterOptions.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporterOptions.cs
index ca14f2d939..f00ab46b77 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporterOptions.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/GenevaMetricExporterOptions.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Globalization;
 using OpenTelemetry.Internal;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/MetricSerializer.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/MetricSerializer.cs
index ee5358693b..14634665da 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/MetricSerializer.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/MetricSerializer.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Text;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/FieldNumberConstants.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/FieldNumberConstants.cs
index bc43c5d956..65d8738ef4 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/FieldNumberConstants.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/FieldNumberConstants.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Runtime.CompilerServices;
 using OpenTelemetry.Metrics;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/OtlpProtobufMetricExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/OtlpProtobufMetricExporter.cs
index 07c5b9fa77..174e5ded5c 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/OtlpProtobufMetricExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/OtlpProtobufMetricExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using System.Runtime.InteropServices;
 using OpenTelemetry.Metrics;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/OtlpProtobufSerializer.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/OtlpProtobufSerializer.cs
index 302de42bef..73123d6b5f 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/OtlpProtobufSerializer.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/OtlpProtobufSerializer.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Diagnostics;
 using System.Globalization;
 using OpenTelemetry.Metrics;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/ProtobufSerializerHelper.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/ProtobufSerializerHelper.cs
index f4edfacc26..9cfaa5a172 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/ProtobufSerializerHelper.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/ProtobufSerializerHelper.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Buffers.Binary;
 using System.Runtime.CompilerServices;
 using System.Text;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/TimestampHelpers.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/TimestampHelpers.cs
index c7d0600d45..68c23b28a9 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/TimestampHelpers.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/TimestampHelpers.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 namespace OpenTelemetry.Exporter.Geneva;
 
 /// <summary>
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/WireType.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/WireType.cs
index 2dd15eef04..af5b2b297b 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/WireType.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/OtlpProtobuf/WireType.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 namespace OpenTelemetry.Exporter.Geneva;
 
 /// <summary>
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/TlvMetricExporter.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/TlvMetricExporter.cs
index 49c69ab2dc..1fb5931871 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/TlvMetricExporter.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/TlvMetricExporter.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using System.Globalization;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/IMetricDataTransport.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/IMetricDataTransport.cs
index 108f8a082c..1c40c4303d 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/IMetricDataTransport.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/IMetricDataTransport.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 namespace OpenTelemetry.Exporter.Geneva;
 
 internal interface IMetricDataTransport : IDisposable
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricUnixDomainSocketDataTransport.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricUnixDomainSocketDataTransport.cs
index 27bef6682b..4faa04560f 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricUnixDomainSocketDataTransport.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricUnixDomainSocketDataTransport.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 using OpenTelemetry.Exporter.Geneva.Transports;
 
 namespace OpenTelemetry.Exporter.Geneva;
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricUnixUserEventsDataTransport.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricUnixUserEventsDataTransport.cs
index ea1810201b..fd81474ccb 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricUnixUserEventsDataTransport.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricUnixUserEventsDataTransport.cs
@@ -3,8 +3,6 @@
 
 #if NET
 
-#nullable enable
-
 using System.Text;
 using Microsoft.LinuxTracepoints.Provider;
 
diff --git a/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricWindowsEventTracingDataTransport.cs b/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricWindowsEventTracingDataTransport.cs
index 0e04309d8b..0ad18c47c2 100644
--- a/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricWindowsEventTracingDataTransport.cs
+++ b/src/OpenTelemetry.Exporter.Geneva/Metrics/Transport/MetricWindowsEventTracingDataTransport.cs
@@ -1,8 +1,6 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
-#nullable enable
-
 #if NET
 using System.Diagnostics.CodeAnalysis;
 #endif
diff --git a/src/OpenTelemetry.Exporter.Geneva/OpenTelemetry.Exporter.Geneva.csproj b/src/OpenTelemetry.Exporter.Geneva/OpenTelemetry.Exporter.Geneva.csproj
index a2f6c2585c..ed29b2587a 100644
--- a/src/OpenTelemetry.Exporter.Geneva/OpenTelemetry.Exporter.Geneva.csproj
+++ b/src/OpenTelemetry.Exporter.Geneva/OpenTelemetry.Exporter.Geneva.csproj
@@ -13,7 +13,6 @@
     <NoWarn>$(NoWarn);SA1123;SA1310</NoWarn>
     <MinVerTagPrefix>Exporter.Geneva-</MinVerTagPrefix>
     <PackageValidationBaselineVersion>1.9.0</PackageValidationBaselineVersion>
-    <Nullable>disable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>