diff --git a/3rdparty/cpprestsdk/samples/BlackJack/dirs.proj b/3rdparty/cpprestsdk/samples/BlackJack/dirs.proj
deleted file mode 100644
index 01cd2b9ca6b8a00106db0a423b8c5bdcc30ba93c..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/samples/BlackJack/dirs.proj
+++ /dev/null
@@ -1,16 +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>
-      <ProjectFile Include="BlackJack_Client\dirs.proj"/>
-      <ProjectFile Include="BlackJack_Server\dirs.proj"/>
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(DevToolsVersion)'=='120'">
-      <ProjectFile Include="BlackJack_UIClient\BlackJack_UIClient$(DevToolsVersion).vcxproj"/>
-  </ItemGroup>
-
-  <Import Project="$(TargetsPath)\Common.Build.Traversal.targets" />
-
-</Project>