diff --git a/NanaGet/NanaGetCore.cpp b/NanaGet/NanaGetCore.cpp
index b0d3af8..621759c 100644
--- a/NanaGet/NanaGetCore.cpp
+++ b/NanaGet/NanaGetCore.cpp
@@ -25,7 +25,6 @@
 
 #undef GetObject
 
-#include <winrt/Windows.ApplicationModel.h>
 #include <winrt/Windows.Foundation.Collections.h>
 #include <winrt/Windows.Storage.h>
 #include <winrt/Windows.Storage.Streams.h>
@@ -132,7 +131,6 @@ namespace NanaGet
 
 namespace winrt
 {
-    using Windows::ApplicationModel::Package;
     using Windows::Storage::ApplicationData;
     using Windows::Storage::Streams::IBuffer;
     using Windows::Web::Http::HttpResponseMessage;
@@ -155,24 +153,6 @@ std::filesystem::path NanaGet::GetApplicationFolderPath()
     return CachedResult;
 }
 
-bool NanaGet::IsPackagedMode()
-{
-    static bool CachedResult = ([]() -> bool
-    {
-        try
-        {
-            const auto CurrentPackage = winrt::Package::Current();
-            return true;
-        }
-        catch (...)
-        {
-            return false;
-        }
-    }());
-
-    return CachedResult;
-}
-
 std::filesystem::path NanaGet::GetSettingsFolderPath()
 {
     static std::filesystem::path CachedResult = ([]() -> std::filesystem::path
@@ -191,7 +171,7 @@ std::filesystem::path NanaGet::GetSettingsFolderPath()
                 nullptr,
                 &RawFolderPath));
             FolderPath = std::filesystem::path(RawFolderPath);
-            if (!NanaGet::IsPackagedMode())
+            if (!Mile::WinRT::IsPackagedMode())
             {
                 FolderPath /= L"M2-Team\\NanaGet";
             }
diff --git a/NanaGet/NanaGetCore.h b/NanaGet/NanaGetCore.h
index 5d130da..720e785 100644
--- a/NanaGet/NanaGetCore.h
+++ b/NanaGet/NanaGetCore.h
@@ -39,8 +39,6 @@ namespace NanaGet
 {
     std::filesystem::path GetApplicationFolderPath();
 
-    bool IsPackagedMode();
-
     std::filesystem::path GetSettingsFolderPath();
 
     std::filesystem::path GetDownloadsFolderPath();