diff --git a/src/Deprecated/Conversion/Microsoft.Build.Conversion.Core.pkgdef b/src/Deprecated/Conversion/Microsoft.Build.Conversion.Core.pkgdef
deleted file mode 100644
index bef750a882f..00000000000
--- a/src/Deprecated/Conversion/Microsoft.Build.Conversion.Core.pkgdef
+++ /dev/null
@@ -1,7 +0,0 @@
-[$RootKey$\RuntimeConfiguration\dependentAssembly\bindingRedirection\{69CFFD1A-343F-46C5-81B3-8437CD1272CD}]
-"name"="Microsoft.Build.Conversion.Core"
-"codeBase"="$BaseInstallDir$\MSBuild\Current\Bin\Microsoft.Build.Conversion.Core.dll"
-"publicKeyToken"="b03f5f7f11d50a3a"
-"culture"="neutral"
-"oldVersion"="0.0.0.0-99.9.9.9"
-"newVersion"="15.1.0.0"
diff --git a/src/Package/DevDivPackage/DevDivPackage.csproj b/src/Package/DevDivPackage/DevDivPackage.csproj
index 83f231e362d..e4396d9d736 100644
--- a/src/Package/DevDivPackage/DevDivPackage.csproj
+++ b/src/Package/DevDivPackage/DevDivPackage.csproj
@@ -14,7 +14,6 @@
   <ItemGroup>
     <ProjectReference Include="..\..\MSBuild\MSBuild.csproj" />
     <ProjectReference Include="..\..\Framework\Microsoft.Build.Framework.csproj" />
-    <ProjectReference Include="..\..\Deprecated\Conversion\Microsoft.Build.Conversion.csproj" />
     <ProjectReference Include="..\..\Deprecated\Engine\Microsoft.Build.Engine.csproj" />
   </ItemGroup>
 
diff --git a/src/Package/DevDivPackage/VS.ExternalAPIs.MSBuild.nuspec b/src/Package/DevDivPackage/VS.ExternalAPIs.MSBuild.nuspec
index 338a4620c27..2ca9b231420 100644
--- a/src/Package/DevDivPackage/VS.ExternalAPIs.MSBuild.nuspec
+++ b/src/Package/DevDivPackage/VS.ExternalAPIs.MSBuild.nuspec
@@ -22,7 +22,6 @@
 
     <!-- Obsolete but still referenced in the VS repo -->
     <file src="Microsoft.Build.Engine.dll" target="lib\net472" />
-    <file src="Microsoft.Build.Conversion.Core.dll" target="lib\net472" />
 
     <file src="Microsoft.Build.tlb" target="lib\net472" />
     <file src="Microsoft.Build.Framework.tlb" target="lib\net472" />
diff --git a/src/Package/GetBinPaths.targets b/src/Package/GetBinPaths.targets
index 961b4bf13d3..479cacfaaf2 100644
--- a/src/Package/GetBinPaths.targets
+++ b/src/Package/GetBinPaths.targets
@@ -19,11 +19,6 @@
                       ReferenceOutputAssembly="false"
                       OutputItemType="MSBuildTaskHostResolvedProjectReferencePath" />
 
-    <ProjectReference Include="$(MSBuildThisFileDirectory)\..\Deprecated\Conversion\Microsoft.Build.Conversion.csproj"
-                      Private="false"
-                      ReferenceOutputAssembly="false"
-                      OutputItemType="MSBuildConversionResolvedProjectReferencePath" />
-
     <!-- Set up items to build projects where the Platform is set to x64, when we need the x64 versions of the files.
          We have to treat these separately from normal project references, as the AssignProjectConfiguration task would overwrite
          the SetPlatform item metadata if they were ProjectReferences.
@@ -54,7 +49,6 @@
       <FrameworkBinPath>@(FrameworkResolvedProjectReferencePath->'%(RootDir)%(Directory)')</FrameworkBinPath>
       <MSBuildTaskHostBinPath>@(MSBuildTaskHostResolvedProjectReferencePath->'%(RootDir)%(Directory)')</MSBuildTaskHostBinPath>
       <MSBuildTaskHostX64BinPath>@(MSBuildTaskHostX64ResolvedProjectReferencePath->'%(RootDir)%(Directory)')</MSBuildTaskHostX64BinPath>
-      <MSBuildConversionBinPath>@(MSBuildConversionResolvedProjectReferencePath->'%(RootDir)%(Directory)')</MSBuildConversionBinPath>
     </PropertyGroup>
   </Target>
 
diff --git a/src/Package/MSBuild.VSSetup/MSBuild.VSSetup.csproj b/src/Package/MSBuild.VSSetup/MSBuild.VSSetup.csproj
index fa17cd82f82..232272ae659 100644
--- a/src/Package/MSBuild.VSSetup/MSBuild.VSSetup.csproj
+++ b/src/Package/MSBuild.VSSetup/MSBuild.VSSetup.csproj
@@ -37,7 +37,6 @@
       <SwrProperty Include="FrameworkBinPath=$(FrameworkBinPath)" />
       <SwrProperty Include="TaskHostBinPath=$(MSBuildTaskHostBinPath)" />
       <SwrProperty Include="TaskHostX64BinPath=$(MSBuildTaskHostX64BinPath)" />
-      <SwrProperty Include="MSBuildConversionBinPath=$(MSBuildConversionBinPath)" />
     </ItemGroup>
   </Target>
 
diff --git a/src/Package/MSBuild.VSSetup/MSBuild.clientenabledpkg b/src/Package/MSBuild.VSSetup/MSBuild.clientenabledpkg
index 489e2745d8c..6720b9b4800 100644
--- a/src/Package/MSBuild.VSSetup/MSBuild.clientenabledpkg
+++ b/src/Package/MSBuild.VSSetup/MSBuild.clientenabledpkg
@@ -3,5 +3,4 @@ Microsoft.Build.pkgdef
 Microsoft.Build.Tasks.Core.pkgdef
 System.Resources.Extensions.pkgdef
 Microsoft.Build.Utilities.Core.pkgdef
-Microsoft.Build.Conversion.Core.pkgdef
 Microsoft.Build.Engine.pkgdef
diff --git a/src/Package/MSBuild.VSSetup/files.swr b/src/Package/MSBuild.VSSetup/files.swr
index 211d1307c6f..8c90f12b740 100644
--- a/src/Package/MSBuild.VSSetup/files.swr
+++ b/src/Package/MSBuild.VSSetup/files.swr
@@ -26,9 +26,7 @@ folder InstallDir:\MSBuild\Current
   file source=$(ThirdPartyNotice)
 
 folder InstallDir:\MSBuild\Current\Bin
-  file source=$(MSBuildConversionBinPath)Microsoft.Build.Conversion.Core.dll vs.file.ngenApplications="[installDir]\Common7\IDE\vsn.exe" vs.file.ngenApplications="[installDir]\MSBuild\Current\Bin\MSBuild.exe" vs.file.ngenArchitecture=all
   file source=$(X86BinPath)Microsoft.Build.dll vs.file.ngenApplications="[installDir]\Common7\IDE\vsn.exe" vs.file.ngenApplications="[installDir]\MSBuild\Current\Bin\MSBuild.exe" vs.file.ngenArchitecture=all vs.file.ngenPriority=1
-  file source=$(MSBuildConversionBinPath)Microsoft.Build.Engine.dll vs.file.ngenApplications="[installDir]\Common7\IDE\vsn.exe" vs.file.ngenApplications="[installDir]\MSBuild\Current\Bin\MSBuild.exe" vs.file.ngenArchitecture=all
   file source=$(X86BinPath)Microsoft.Build.Framework.dll vs.file.ngenApplications="[installDir]\Common7\IDE\vsn.exe" vs.file.ngenApplications="[installDir]\MSBuild\Current\Bin\MSBuild.exe" vs.file.ngenArchitecture=all
   file source=$(X86BinPath)Microsoft.Build.Framework.tlb
   file source=$(X86BinPath)Microsoft.Build.Tasks.Core.dll vs.file.ngenApplications="[installDir]\Common7\IDE\vsn.exe" vs.file.ngenApplications="[installDir]\MSBuild\Current\Bin\MSBuild.exe" vs.file.ngenArchitecture=all vs.file.ngenPriority=1
@@ -184,9 +182,7 @@ folder InstallDir:\MSBuild\Current\Bin\amd64
   file source=$(X64BinPath)MSBuild.exe.config
   file source=$(TaskHostX64BinPath)MSBuildTaskHost.exe.config
 
-  file source=$(MSBuildConversionBinPath)Microsoft.Build.Conversion.Core.dll vs.file.ngenArchitecture=all
   file source=$(X86BinPath)Microsoft.Build.dll vs.file.ngenArchitecture=all
-  file source=$(MSBuildConversionBinPath)Microsoft.Build.Engine.dll vs.file.ngenArchitecture=all
   file source=$(X86BinPath)Microsoft.Build.Framework.dll vs.file.ngenArchitecture=all
   file source=$(FrameworkBinPath)x64\Microsoft.Build.Framework.tlb
   file source=$(X86BinPath)Microsoft.Build.Tasks.Core.dll vs.file.ngenArchitecture=all
@@ -335,5 +331,4 @@ folder InstallDir:\Common7\IDE\CommonExtensions\MSBuild
   file source=$(SourceDir)Tasks\Microsoft.Build.Tasks.Core.pkgdef
   file source=$(SourceDir)Tasks\System.Resources.Extensions.pkgdef
   file source=$(SourceDir)Utilities\Microsoft.Build.Utilities.Core.pkgdef
-  file source=$(SourceDir)Deprecated\Conversion\Microsoft.Build.Conversion.Core.pkgdef
   file source=$(SourceDir)Deprecated\Engine\Microsoft.Build.Engine.pkgdef