diff --git a/src/libraries/Directory.Build.targets b/src/libraries/Directory.Build.targets
index bf5fb3d8d0f2f..e3d599b2d8276 100644
--- a/src/libraries/Directory.Build.targets
+++ b/src/libraries/Directory.Build.targets
@@ -170,7 +170,6 @@
   <!-- Adds Nullable annotation attributes to C# non .NETCoreApp builds. -->
   <ItemGroup Condition="'$(Nullable)' != '' and
                         '$(Nullable)' != 'disable' and
-                        '$(NoIncludeNullableAttributes)' != 'true' and
                         '$(MSBuildProjectExtension)' == '.csproj' and
                         '$(TargetFrameworkIdentifier)' != '.NETCoreApp'">
     <Compile Include="$(CoreLibSharedDir)System\Diagnostics\CodeAnalysis\NullableAttributes.cs" Link="System\Diagnostics\CodeAnalysis\NullableAttributes.cs" />
diff --git a/src/libraries/Microsoft.Extensions.Configuration.Binder/tests/SourceGenerationTests/Microsoft.Extensions.Configuration.Binder.SourceGeneration.Tests.csproj b/src/libraries/Microsoft.Extensions.Configuration.Binder/tests/SourceGenerationTests/Microsoft.Extensions.Configuration.Binder.SourceGeneration.Tests.csproj
index 81562ed265caa..eccbe7d759b41 100644
--- a/src/libraries/Microsoft.Extensions.Configuration.Binder/tests/SourceGenerationTests/Microsoft.Extensions.Configuration.Binder.SourceGeneration.Tests.csproj
+++ b/src/libraries/Microsoft.Extensions.Configuration.Binder/tests/SourceGenerationTests/Microsoft.Extensions.Configuration.Binder.SourceGeneration.Tests.csproj
@@ -8,9 +8,6 @@
     <NoWarn>$(NoWarn);SYSLIB1103,SYSLIB1104</NoWarn>
     <InterceptorsPreviewNamespaces>$(InterceptorsPreviewNamespaces);Microsoft.Extensions.Configuration.Binder.SourceGeneration</InterceptorsPreviewNamespaces>
     <EnableConfigurationBindingGenerator>true</EnableConfigurationBindingGenerator>
-
-    <!-- Avoid conflict with Microsoft.Extensions.Configuration.Binder (via InternalsVisibleTo) -->
-    <NoIncludeNullableAttributes>true</NoIncludeNullableAttributes>
   </PropertyGroup>
 
   <PropertyGroup>