diff --git a/Cesium.Sdk.Tests/EvaluationTests.cs b/Cesium.Sdk.Tests/EvaluationTests.cs
index 39ef319b..6a204842 100644
--- a/Cesium.Sdk.Tests/EvaluationTests.cs
+++ b/Cesium.Sdk.Tests/EvaluationTests.cs
@@ -12,7 +12,7 @@ public class EvaluationTests(ITestOutputHelper testOutputHelper) : SdkTestBase(t
     [InlineData("SimpleCoreLibraryWithHeader")]
     public async Task Evaluation_EnableDefaultCompileItems(string projectName)
     {
-        HashSet<string> expectedCompileItems = ["library.c", "library.h"];
+        HashSet<string> expectedCompileItems = ["library.c"];
 
         var items = await ListItems(projectName, "Compile");
 
diff --git a/Cesium.Sdk/Sdk/Sdk.props b/Cesium.Sdk/Sdk/Sdk.props
index 9c1afd11..660be578 100644
--- a/Cesium.Sdk/Sdk/Sdk.props
+++ b/Cesium.Sdk/Sdk/Sdk.props
@@ -21,11 +21,6 @@
         <ProduceReferenceAssembly>false</ProduceReferenceAssembly>
     </PropertyGroup>
 
-    <ItemGroup Label="DefaultItems">
-        <!-- .c files are included by the Microsoft.NET.Sdk using DefaultLanguageSourceExtension, but .h ones are not -->
-        <Compile Include="**/*.h" Exclude="$(DefaultItemExcludes);$(DefaultExcludesInProjectFolder)" Condition="$(EnableDefaultCompileItems) == 'true'" />
-    </ItemGroup>
-
     <ItemGroup Condition=" $(SkipCesiumCompilerInstallation) != 'true' ">
         <PackageReference Include="$(CesiumCompilerPackageName)"
                           Version="$(CesiumCompilerPackageVersion)"