diff --git a/src/Calculator/Calculator.vcxproj b/src/Calculator/Calculator.vcxproj
index cfa37198..b620ec06 100644
--- a/src/Calculator/Calculator.vcxproj
+++ b/src/Calculator/Calculator.vcxproj
@@ -813,9 +813,6 @@
     </Font>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\CalcManager\CalcManager.vcxproj">
-      <Project>{311e866d-8b93-4609-a691-265941fee101}</Project>
-    </ProjectReference>
     <ProjectReference Include="..\CalcViewModel\CalcViewModel.vcxproj">
       <Project>{90e9761d-9262-4773-942d-caeae75d7140}</Project>
     </ProjectReference>