diff --git a/Documentation/ArcadeSdk.md b/Documentation/ArcadeSdk.md
index 1f8a066a135..c163eb0c732 100644
--- a/Documentation/ArcadeSdk.md
+++ b/Documentation/ArcadeSdk.md
@@ -144,7 +144,6 @@ By default, Arcade builds solutions in the root of the repo.  Overriding the def
   Example:
 
   ```xml
-  <?xml version="1.0" encoding="utf-8"?>
   <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
     <ItemGroup>
       <ProjectToBuild Include="$(MSBuildThisFileDirectory)..\MyProject.proj" />
diff --git a/Documentation/CorePackages/Publishing.md b/Documentation/CorePackages/Publishing.md
index db7450f915c..36d6cbdeb42 100644
--- a/Documentation/CorePackages/Publishing.md
+++ b/Documentation/CorePackages/Publishing.md
@@ -190,7 +190,6 @@ In order to use the new publishing mechanism, the easiest way to start is by tur
 
    Sample: 
      ```XML
-      <?xml version="1.0" encoding="utf-8"?>
         <Project>
            <PropertyGroup>
               <PublishingVersion>3</PublishingVersion>
diff --git a/Documentation/UnifiedBuild/TFM-Trimming-And-Targeting.md b/Documentation/UnifiedBuild/TFM-Trimming-And-Targeting.md
index 3b294d1e0eb..59e83ec6a75 100644
--- a/Documentation/UnifiedBuild/TFM-Trimming-And-Targeting.md
+++ b/Documentation/UnifiedBuild/TFM-Trimming-And-Targeting.md
@@ -108,7 +108,6 @@ In `Imports.targets`, a new file `TargetFrameworkDefaults.targets` will be impor
 ```xml
 TargetFrameworkDefaults.targets
 
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <PropertyGroup>
diff --git a/eng/Publishing.props b/eng/Publishing.props
index 10bc8c8684d..9454e90710a 100644
--- a/eng/Publishing.props
+++ b/eng/Publishing.props
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
    <PropertyGroup>
       <PublishingVersion>3</PublishingVersion>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/sdk/Sdk.targets b/src/Microsoft.DotNet.Arcade.Sdk/sdk/Sdk.targets
index 3f4c58cab5b..cc55fd2a84b 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/sdk/Sdk.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/sdk/Sdk.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <!--
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/BeforeCommonTargets.CrossTargeting.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/BeforeCommonTargets.CrossTargeting.targets
index 4f8c9ea622f..d7c0cb0aece 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/BeforeCommonTargets.CrossTargeting.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/BeforeCommonTargets.CrossTargeting.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <Import Project="$(_ArcadeOverriddenCustomBeforeMicrosoftCommonCrossTargetingTargets)" Condition="Exists('$(_ArcadeOverriddenCustomBeforeMicrosoftCommonCrossTargetingTargets)')"/>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/BeforeCommonTargets.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/BeforeCommonTargets.targets
index 875e0f8709f..fbdd33c1479 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/BeforeCommonTargets.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/BeforeCommonTargets.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <Import Project="$(_ArcadeOverriddenCustomBeforeMicrosoftCommonTargets)" Condition="Exists('$(_ArcadeOverriddenCustomBeforeMicrosoftCommonTargets)')"/>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/Empty.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/Empty.targets
index 353c5ace829..6208b85d6f0 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/Empty.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/Empty.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project DefaultTargets="Build">
   <!--
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/EmptyIsProjectRestoreSupportedTarget.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/EmptyIsProjectRestoreSupportedTarget.targets
index 6420a633915..d8209d5325c 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/EmptyIsProjectRestoreSupportedTarget.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/EmptyIsProjectRestoreSupportedTarget.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project DefaultTargets="Build">
   <!--
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/ExcludeFromBuild.BeforeCommonTargets.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/ExcludeFromBuild.BeforeCommonTargets.targets
index 7d39d5405ac..d9b93b00a28 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/ExcludeFromBuild.BeforeCommonTargets.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/ExcludeFromBuild.BeforeCommonTargets.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateChecksums.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateChecksums.targets
index 113e6516b7a..e96677d3da3 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateChecksums.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateChecksums.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <UsingTask TaskName="Microsoft.DotNet.Arcade.Sdk.GenerateChecksums" AssemblyFile="$(ArcadeSdkBuildTasksAssembly)" />
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateInternalsVisibleTo.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateInternalsVisibleTo.targets
index 110c9a46e69..9ffeeb66623 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateInternalsVisibleTo.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateInternalsVisibleTo.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <PropertyGroup>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateResxSource.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateResxSource.targets
index e05119ee725..db37db86f90 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateResxSource.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/GenerateResxSource.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/Imports.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/Imports.targets
index 0736c55429f..7991ccc7bcd 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/Imports.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/Imports.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <Import Project="ProjectDefaults.targets"/>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/Localization.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/Localization.targets
index 92a6cda8f60..435624ca735 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/Localization.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/Localization.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/MSTest/MSTest.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/MSTest/MSTest.targets
index 01dec4672d2..0c65be0202e 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/MSTest/MSTest.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/MSTest/MSTest.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <ItemGroup>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/NUnit/NUnit.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/NUnit/NUnit.targets
index e7510843b5c..e34dc6e8c20 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/NUnit/NUnit.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/NUnit/NUnit.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <ItemGroup>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/NoRestore.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/NoRestore.targets
index 46f6fda4675..e4b5bc95f65 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/NoRestore.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/NoRestore.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project DefaultTargets="Build">
   <!--
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/OptimizationData.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/OptimizationData.targets
index 737ec7a2924..17dc8a55daa 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/OptimizationData.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/OptimizationData.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/Performance.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/Performance.targets
index 2513473ae88..1588998ae06 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/Performance.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/Performance.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <!-- The 'PerformanceTest' target is only viable for repos building their own performance-test harness. -->
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/ProjectDefaults.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/ProjectDefaults.targets
index 51613d02fc2..2420d4c8961 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/ProjectDefaults.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/ProjectDefaults.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <PropertyGroup>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/RepositoryInfo.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/RepositoryInfo.targets
index 32513ae80ea..e1a566d2809 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/RepositoryInfo.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/RepositoryInfo.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <!--
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/RepositoryValidation.proj b/src/Microsoft.DotNet.Arcade.Sdk/tools/RepositoryValidation.proj
index 3bdca4e99b1..ba32af54e3f 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/RepositoryValidation.proj
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/RepositoryValidation.proj
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project DefaultTargets="Validate">
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/StrongName.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/StrongName.targets
index 4cfd4bd186b..094aaeb5b79 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/StrongName.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/StrongName.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/TargetFrameworkFilters.BeforeCommonTargets.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/TargetFrameworkFilters.BeforeCommonTargets.targets
index d4fe2a7ac03..f730f198391 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/TargetFrameworkFilters.BeforeCommonTargets.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/TargetFrameworkFilters.BeforeCommonTargets.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <PropertyGroup>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/Tests.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/Tests.targets
index a16f317a849..f00161af2b9 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/Tests.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/Tests.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project InitialTargets="ErrorForMissingTestRunner">
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/Version.BeforeCommonTargets.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/Version.BeforeCommonTargets.targets
index e783af37689..c5b5c3a1dc8 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/Version.BeforeCommonTargets.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/Version.BeforeCommonTargets.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/Version.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/Version.targets
index 818dc305efe..1e63265d399 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/Version.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/Version.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.ImportSdk.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.ImportSdk.targets
index d7edb9c78a5..7ef5f550274 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.ImportSdk.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.ImportSdk.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <Import Project="$(VSToolsPath)\vssdk\Microsoft.VsSDK.targets"/>
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.VsixBuild.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.VsixBuild.targets
index 2d8421792d2..0f0bdae3a61 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.VsixBuild.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.VsixBuild.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.targets
index 727314dc738..a64a7772ad4 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/VisualStudio.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <!-- 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/Workarounds.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/Workarounds.targets
index f595bd3c58b..38a0da8ff2d 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/Workarounds.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/Workarounds.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
 
diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/XUnit/XUnit.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/XUnit/XUnit.targets
index 027f5d441d6..9005d89fdd6 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/XUnit/XUnit.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/XUnit/XUnit.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!-- Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. -->
 <Project>
   <PropertyGroup>
diff --git a/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Microsoft.DotNet.Build.Tasks.Packaging.targets b/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Microsoft.DotNet.Build.Tasks.Packaging.targets
index b62f71948d8..ebe102a6019 100644
--- a/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Microsoft.DotNet.Build.Tasks.Packaging.targets
+++ b/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Microsoft.DotNet.Build.Tasks.Packaging.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
     <ImportPackagingTargets Condition="'$(ImportPackagingTargets)' == '' AND '$(MSBuildProjectExtension)' == '.pkgproj'">true</ImportPackagingTargets>
diff --git a/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/PackageLibs.targets b/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/PackageLibs.targets
index 5f799a5afa6..d535974447e 100644
--- a/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/PackageLibs.targets
+++ b/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/PackageLibs.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <Import Condition="'$(_PackagingCommonTargetsImported)' != 'true'" Project="Packaging.common.targets"/>
 
diff --git a/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Packaging.common.targets b/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Packaging.common.targets
index f6364bd772a..99b1d490a18 100644
--- a/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Packaging.common.targets
+++ b/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Packaging.common.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
     <_PackagingCommonTargetsImported>true</_PackagingCommonTargetsImported>
diff --git a/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Packaging.targets b/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Packaging.targets
index 5fd8a8f87f7..8c13d2db732 100644
--- a/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Packaging.targets
+++ b/src/Microsoft.DotNet.Build.Tasks.Packaging/src/build/Packaging.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <Import Condition="'$(_PackagingCommonTargetsImported)' != 'true'" Project="Packaging.common.targets"/>
 
diff --git a/src/Microsoft.DotNet.Helix/Sdk/build/Microsoft.DotNet.Helix.Sdk.targets b/src/Microsoft.DotNet.Helix/Sdk/build/Microsoft.DotNet.Helix.Sdk.targets
index 5fa802e2bc7..6714e043d79 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/build/Microsoft.DotNet.Helix.Sdk.targets
+++ b/src/Microsoft.DotNet.Helix/Sdk/build/Microsoft.DotNet.Helix.Sdk.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <Import Project="$(MSBuildThisFileDirectory)..\tools\Microsoft.DotNet.Helix.Sdk.targets"/>
 </Project>
diff --git a/src/Microsoft.DotNet.Helix/Sdk/sdk/Sdk.targets b/src/Microsoft.DotNet.Helix/Sdk/sdk/Sdk.targets
index 5fa802e2bc7..6714e043d79 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/sdk/Sdk.targets
+++ b/src/Microsoft.DotNet.Helix/Sdk/sdk/Sdk.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <Import Project="$(MSBuildThisFileDirectory)..\tools\Microsoft.DotNet.Helix.Sdk.targets"/>
 </Project>
diff --git a/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MonoQueue.targets b/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MonoQueue.targets
index 20c875c5637..50103413dd0 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MonoQueue.targets
+++ b/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MonoQueue.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
     <!-- Helix Queues which do not exist (deprecation, typos, or purposful removal for use reduction) will error by default. 
diff --git a/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MultiQueue.targets b/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MultiQueue.targets
index bcf1c23fc79..9017bbf394e 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MultiQueue.targets
+++ b/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.MultiQueue.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project InitialTargets="ValidateTargetQueues;ValidateOpenQueueUsage">
   <PropertyGroup>
     <!-- Split up HelixTargetQueues list
diff --git a/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.targets b/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.targets
index dbf162e7d7a..b343ecbff83 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.targets
+++ b/src/Microsoft.DotNet.Helix/Sdk/tools/Microsoft.DotNet.Helix.Sdk.targets
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <Project>
   <Import Project="$(MSBuildToolsPath)\Microsoft.Common.targets" />