diff --git a/3rdparty/cpprestsdk/samples/Oauth1Client/dirs.proj b/3rdparty/cpprestsdk/samples/Oauth1Client/dirs.proj
deleted file mode 100644
index c82273b69351e18f6bb8bb66f26e199acfa5adaa..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/samples/Oauth1Client/dirs.proj
+++ /dev/null
@@ -1,11 +0,0 @@
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-
-  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), build.root))\Build\Common.Build.settings" />
-
-  <ItemGroup Condition="'$(DevToolsVersion)'=='120' or '$(DevToolsVersion)'=='140'">
-      <ProjectFile Include="Oauth1Client$(DevToolsVersion)\Oauth1Client$(DevToolsVersion).vcxproj" Condition="'$(Platform)' != 'ARM'" />
-  </ItemGroup>
-
-  <Import Project="$(TargetsPath)\Common.Build.Traversal.targets" />
-
-</Project>