diff --git a/build/common.project.props b/build/common.project.props
index f95c35d82e9..c7f8d32e574 100644
--- a/build/common.project.props
+++ b/build/common.project.props
@@ -23,7 +23,7 @@
     <TargetFrameworksExeForSigning Condition=" '$(IsXPlat)' == 'true' ">$(NETCoreTargetFramework);netcoreapp5.0</TargetFrameworksExeForSigning>
     <TargetFrameworksExeForSigning Condition="'$(DotNetBuildFromSource)' == 'true'">$(TargetFrameworksExe);net7.0</TargetFrameworksExeForSigning>
     <TargetFrameworksLibrary>$(NETFXTargetFramework);$(NetStandardVersion)</TargetFrameworksLibrary>
-    <TargetFrameworksLibrary Condition="'$(DotNetBuildFromSource)' == 'true'">$(NETCoreTargetFramework);$(NETFXTargetFramework);$(NetStandardVersion)</TargetFrameworksLibrary>
+    <TargetFrameworksLibrary Condition="'$(DotNetBuildFromSource)' == 'true'">$(NETCoreTargetFramework);$(NetStandardVersion)</TargetFrameworksLibrary>
     <TargetFrameworksLibraryForSigning>$(TargetFrameworksLibrary);netcoreapp5.0</TargetFrameworksLibraryForSigning>
     <TargetFrameworksLibraryForSigning Condition="'$(DotNetBuildFromSource)' == 'true'">$(TargetFrameworksLibrary);net7.0</TargetFrameworksLibraryForSigning>
     <TargetFrameworksLibraryForCrossVerificationTests>$(NETFXTargetFramework);net7.0</TargetFrameworksLibraryForCrossVerificationTests>
diff --git a/eng/SourceBuild.props b/eng/SourceBuild.props
index fb81956bb63..f7d5e459e65 100644
--- a/eng/SourceBuild.props
+++ b/eng/SourceBuild.props
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <GitHubRepositoryName>nuget-client</GitHubRepositoryName>
     <SourceBuildManagedOnly>true</SourceBuildManagedOnly>
-
+    <SourceBuildTrimNetFrameworkTargets>true</SourceBuildTrimNetFrameworkTargets>
     <VersionPrefix>1.0.0</VersionPrefix>
   </PropertyGroup>