diff --git a/visualc/vngspice.vcxproj b/visualc/vngspice.vcxproj
index f575bf91b..db32aa916 100644
--- a/visualc/vngspice.vcxproj
+++ b/visualc/vngspice.vcxproj
@@ -1663,7 +1663,6 @@
     <ClCompile Include="..\src\maths\poly\polyfit.c" />
     <ClCompile Include="..\src\maths\sparse\spalloc.c" />
     <ClCompile Include="..\src\maths\sparse\spbuild.c" />
-    <ClCompile Include="..\src\maths\sparse\spCSC.c" />
     <ClCompile Include="..\src\maths\sparse\spextra.c" />
     <ClCompile Include="..\src\maths\sparse\spfactor.c" />
     <ClCompile Include="..\src\maths\sparse\spoutput.c" />