diff --git a/nuget/Microsoft.Windows.CppWinRT.targets b/nuget/Microsoft.Windows.CppWinRT.targets
index 2d00ddc9e..9cb426448 100644
--- a/nuget/Microsoft.Windows.CppWinRT.targets
+++ b/nuget/Microsoft.Windows.CppWinRT.targets
@@ -190,16 +190,24 @@ Copyright (C) Microsoft Corporation. All rights reserved.
         </ItemGroup>
     </Target>
 
+    <Target Name="CppWinRTGetBuildingMidl"
+            DependsOnTargets="CppWinRTComputeXamlGeneratedMidlInputs"
+            Returns="@(_BuildingMidl)">
+        <ItemGroup>
+            <_BuildingMidl Include="@(Midl)" Condition="'%(Midl.ExcludedFromBuild)' != 'true'" />
+        </ItemGroup>
+    </Target>
+
     <!-- Target used only to evaluate CppWinRTGenerateWindowsMetadata if it doesn't already have a value -->
     <Target Name="CppWinRTComputeGenerateWindowsMetadata"
-            DependsOnTargets="CppWinRTComputeXamlGeneratedMidlInputs;GetCppWinRTProjectWinMDReferences;$(CppWinRTComputeGenerateWindowsMetadataDependsOn)">
+            DependsOnTargets="CppWinRTGetBuildingMidl;GetCppWinRTProjectWinMDReferences;$(CppWinRTComputeGenerateWindowsMetadataDependsOn)">
 
         <PropertyGroup>
             <!-- For static libraries, only idl causes a winmd to be generated. 
                  For exe/dll, static libraries that produce a WinMD will be merged, 
                  so they also cause a WinMD to be generated-->
-            <CppWinRTGenerateWindowsMetadata Condition="'$(ConfigurationType)' != 'StaticLibrary' AND '@(CppWinRTStaticProjectWinMDReferences)@(Midl)'!= ''">true</CppWinRTGenerateWindowsMetadata>
-            <CppWinRTGenerateWindowsMetadata Condition="'$(ConfigurationType)' == 'StaticLibrary' AND '@(Midl)'!= ''">true</CppWinRTGenerateWindowsMetadata>
+            <CppWinRTGenerateWindowsMetadata Condition="'$(ConfigurationType)' != 'StaticLibrary' AND '@(CppWinRTStaticProjectWinMDReferences)@(_BuildingMidl)'!= ''">true</CppWinRTGenerateWindowsMetadata>
+            <CppWinRTGenerateWindowsMetadata Condition="'$(ConfigurationType)' == 'StaticLibrary' AND '@(_BuildingMidl)'!= ''">true</CppWinRTGenerateWindowsMetadata>
 
             <!-- At this point we checked all cases where we do generate a WinMD.
                  The remaining option is no WinMD. -->
@@ -345,12 +353,12 @@ Copyright (C) Microsoft Corporation. All rights reserved.
 
     <!-- Calculates the input files and metadata directories to be passed to MdMerge -->
     <Target Name="GetCppWinRTMdMergeInputs"
-                DependsOnTargets="CppWinRTComputeXamlGeneratedMidlInputs;CppWinRTResolveReferences;"
-                Returns="@(CppWinRTMdMergeMetadataDirectories);@(CppWinRTMdMergeInputs)">
+            DependsOnTargets="CppWinRTGetBuildingMidl;CppWinRTResolveReferences"
+            Returns="@(CppWinRTMdMergeMetadataDirectories);@(CppWinRTMdMergeInputs)">
         <ItemGroup>
             <_MdMergeInputs Remove="@(_MdMergeInputs)"/>
-            <_MdMergeInputs Include="@(Midl)">
-                <WinMDPath>%(Midl.OutputDirectory)%(Midl.MetadataFileName)</WinMDPath>
+            <_MdMergeInputs Include="@(_BuildingMidl)">
+                <WinMDPath>%(_BuildingMidl.OutputDirectory)%(_BuildingMidl.MetadataFileName)</WinMDPath>
                 <MdMergeOutputFile>$(CppWinRTProjectWinMD)</MdMergeOutputFile>
             </_MdMergeInputs>
             <!-- Static libraries don't mdmerge other static libraries.
@@ -387,7 +395,7 @@ Copyright (C) Microsoft Corporation. All rights reserved.
         <ItemGroup>
             <Midl Remove="$(XamlMetaDataProviderIdl)" />
             <Midl Include="$(XamlMetaDataProviderIdl)">
-                <DisableReferences Condition="$(_DisableReferences)">>true</DisableReferences>
+                <DisableReferences Condition="$(_DisableReferences)">true</DisableReferences>
             </Midl>
         </ItemGroup>
     </Target>