diff --git a/src/Calculator/Calculator.vcxproj.filters b/src/Calculator/Calculator.vcxproj.filters
index 503b5dbd..d657e8d0 100644
--- a/src/Calculator/Calculator.vcxproj.filters
+++ b/src/Calculator/Calculator.vcxproj.filters
@@ -1565,11 +1565,5 @@
   <ItemGroup>
     <CopyFileToFolders Include="$(GraphingImplDll)" />
     <CopyFileToFolders Include="$(GraphingEngineDll)" />
-    <CopyFileToFolders Include="$(GraphingImplDll)" />
-    <CopyFileToFolders Include="$(GraphingEngineDll)" />
-    <CopyFileToFolders Include="$(GraphingImplDll)" />
-    <CopyFileToFolders Include="$(GraphingEngineDll)" />
-    <CopyFileToFolders Include="$(GraphingImplDll)" />
-    <CopyFileToFolders Include="$(GraphingEngineDll)" />
   </ItemGroup>
 </Project>
\ No newline at end of file