diff --git a/src/windows/Stella.vcxproj b/src/windows/Stella.vcxproj
index fe151a11a..d34a1e7c1 100644
--- a/src/windows/Stella.vcxproj
+++ b/src/windows/Stella.vcxproj
@@ -499,7 +499,6 @@
     <ClCompile Include="..\emucore\tia\frame-manager\FrameLayoutDetector.cxx" />
     <ClCompile Include="..\emucore\tia\frame-manager\FrameManager.cxx" />
     <ClCompile Include="..\emucore\tia\frame-manager\JitterEmulation.cxx" />
-    <ClCompile Include="..\emucore\tia\frame-manager\YStartDetector.cxx" />
     <ClCompile Include="..\emucore\tia\LatchedInput.cxx" />
     <ClCompile Include="..\emucore\tia\Missile.cxx" />
     <ClCompile Include="..\emucore\tia\PaddleReader.cxx" />
@@ -1226,7 +1225,6 @@
     <ClInclude Include="..\emucore\tia\frame-manager\FrameLayoutDetector.hxx" />
     <ClInclude Include="..\emucore\tia\frame-manager\FrameManager.hxx" />
     <ClInclude Include="..\emucore\tia\frame-manager\JitterEmulation.hxx" />
-    <ClInclude Include="..\emucore\tia\frame-manager\YStartDetector.hxx" />
     <ClInclude Include="..\emucore\tia\FrameLayout.hxx" />
     <ClInclude Include="..\emucore\tia\LatchedInput.hxx" />
     <ClInclude Include="..\emucore\tia\Missile.hxx" />
@@ -1421,4 +1419,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/src/windows/Stella.vcxproj.filters b/src/windows/Stella.vcxproj.filters
index 2e6cf1745..4f3789529 100644
--- a/src/windows/Stella.vcxproj.filters
+++ b/src/windows/Stella.vcxproj.filters
@@ -885,9 +885,6 @@
     <ClCompile Include="..\emucore\tia\frame-manager\JitterEmulation.cxx">
       <Filter>Source Files\emucore\tia</Filter>
     </ClCompile>
-    <ClCompile Include="..\emucore\tia\frame-manager\YStartDetector.cxx">
-      <Filter>Source Files\emucore\tia</Filter>
-    </ClCompile>
     <ClCompile Include="..\gui\TimeLineWidget.cxx">
       <Filter>Source Files\gui</Filter>
     </ClCompile>
@@ -1898,9 +1895,6 @@
     <ClInclude Include="..\emucore\tia\frame-manager\JitterEmulation.hxx">
       <Filter>Header Files\emucore\tia</Filter>
     </ClInclude>
-    <ClInclude Include="..\emucore\tia\frame-manager\YStartDetector.hxx">
-      <Filter>Header Files\emucore\tia</Filter>
-    </ClInclude>
     <ClInclude Include="..\emucore\tia\TIAConstants.hxx">
       <Filter>Header Files\emucore\tia</Filter>
     </ClInclude>
@@ -2048,4 +2042,4 @@
       <Filter>Resource Files</Filter>
     </ResourceCompile>
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file