diff --git a/src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/CommonLibTests.vcxproj b/src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/CommonLibTests.vcxproj
index a49803ecce..9f24c25f67 100644
--- a/src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/CommonLibTests.vcxproj
+++ b/src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/CommonLibTests.vcxproj
@@ -98,6 +98,7 @@
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalIncludeDirectories>$(MSBuildThisFileDirectory)include;%(AdditionalIncludeDirectories);..\RequestHandlerLib;..\IISLib;..\CommonLib;$(GoogleTestSubmoduleRoot)googletest\include;$(GoogleTestSubmoduleRoot)googlemock\include;...\AspNetCore\Inc;..\InProcessRequestHandler\</AdditionalIncludeDirectories>
       <AdditionalOptions>/D "_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING" </AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
@@ -125,6 +126,7 @@
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <AdditionalIncludeDirectories>$(MSBuildThisFileDirectory)include;%(AdditionalIncludeDirectories);..\RequestHandlerLib;..\IISLib;..\CommonLib;$(GoogleTestSubmoduleRoot)googletest\include;$(GoogleTestSubmoduleRoot)googlemock\include;...\AspNetCore\Inc;..\InProcessRequestHandler\</AdditionalIncludeDirectories>
       <AdditionalOptions>/D "_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING" </AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
@@ -150,6 +152,7 @@
       <PrecompiledHeaderFile>stdafx.h</PrecompiledHeaderFile>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <AdditionalIncludeDirectories>$(MSBuildThisFileDirectory)include;%(AdditionalIncludeDirectories);..\RequestHandlerLib;..\IISLib;..\CommonLib;$(GoogleTestSubmoduleRoot)googletest\include;$(GoogleTestSubmoduleRoot)googlemock\include;...\AspNetCore\Inc;..\InProcessRequestHandler\</AdditionalIncludeDirectories>
       <AdditionalOptions>/D "_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING" </AdditionalOptions>
@@ -179,6 +182,7 @@
       <PrecompiledHeaderFile>stdafx.h</PrecompiledHeaderFile>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <AdditionalIncludeDirectories>$(MSBuildThisFileDirectory)include;%(AdditionalIncludeDirectories);..\RequestHandlerLib;..\IISLib;..\CommonLib;$(GoogleTestSubmoduleRoot)googletest\include;$(GoogleTestSubmoduleRoot)googlemock\include;...\AspNetCore\Inc;..\InProcessRequestHandler\</AdditionalIncludeDirectories>
       <AdditionalOptions>/D "_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING" </AdditionalOptions>
@@ -200,4 +204,4 @@
       </AdditionalDependencies>
     </Lib>
   </ItemDefinitionGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/dotnet_exe_path_tests.cpp b/src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/dotnet_exe_path_tests.cpp
index 1d767accde..b7b334059a 100644
--- a/src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/dotnet_exe_path_tests.cpp
+++ b/src/Servers/IIS/AspNetCoreModuleV2/CommonLibTests/dotnet_exe_path_tests.cpp
@@ -16,7 +16,6 @@ namespace InprocessTests
 
     TEST(Dotnet_EXE_Path_Tests, EndWith_dotnet)
     {
-        HostFxrResolver resolver;
         std::filesystem::path hostFxrDllPath;
         std::vector<std::wstring> arguments;
         ErrorContext errorContext;