diff --git a/polymer/eduke32/eduke32.vcxproj b/polymer/eduke32/eduke32.vcxproj
index ec239ff15..164cd4c80 100644
--- a/polymer/eduke32/eduke32.vcxproj
+++ b/polymer/eduke32/eduke32.vcxproj
@@ -129,11 +129,6 @@
     <ClInclude Include="source\quotes.h" />
     <ClInclude Include="source\savegame.h" />
     <ClInclude Include="source\sector.h" />
-    <ClInclude Include="source\xdelta3\xdelta3-cfgs.h" />
-    <ClInclude Include="source\xdelta3\xdelta3-decode.h" />
-    <ClInclude Include="source\xdelta3\xdelta3-hash.h" />
-    <ClInclude Include="source\xdelta3\xdelta3-list.h" />
-    <ClInclude Include="source\xdelta3\xdelta3.h" />
     <ClInclude Include="source\_functio.h" />
     <ClInclude Include="source\_rts.h" />
     <ClInclude Include="source\config.h" />
@@ -283,7 +278,6 @@
     <ClCompile Include="source\enet\src\protocol.c" />
     <ClCompile Include="source\enet\src\unix.c" />
     <ClCompile Include="source\enet\src\win32.c" />
-    <ClCompile Include="source\xdelta3\xdelta3.c" />
   </ItemGroup>
   <ItemGroup>
     <None Include="build\Makefile.msvc" />
diff --git a/polymer/eduke32/eduke32.vcxproj.filters b/polymer/eduke32/eduke32.vcxproj.filters
index 8903abbaa..6185369cf 100644
--- a/polymer/eduke32/eduke32.vcxproj.filters
+++ b/polymer/eduke32/eduke32.vcxproj.filters
@@ -55,15 +55,6 @@
     <Filter Include="eduke32\headers\editor">
       <UniqueIdentifier>{3477e5cd-29a4-42b2-8c3f-ca4618242526}</UniqueIdentifier>
     </Filter>
-    <Filter Include="xdelta3">
-      <UniqueIdentifier>{12a5b319-4b7f-48b1-8951-2c8a99f6b9de}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="xdelta3\headers">
-      <UniqueIdentifier>{4f8ecf07-86d9-4285-9592-8e1644737b05}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="xdelta3\source">
-      <UniqueIdentifier>{638f3a5e-877a-4371-9cf9-4fa9bd727f81}</UniqueIdentifier>
-    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="build\include\a.h">
@@ -372,21 +363,6 @@
     <ClInclude Include="source\sounds_mapster32.h">
       <Filter>eduke32\headers\editor</Filter>
     </ClInclude>
-    <ClInclude Include="source\xdelta3\xdelta3.h">
-      <Filter>xdelta3\headers</Filter>
-    </ClInclude>
-    <ClInclude Include="source\xdelta3\xdelta3-cfgs.h">
-      <Filter>xdelta3\headers</Filter>
-    </ClInclude>
-    <ClInclude Include="source\xdelta3\xdelta3-decode.h">
-      <Filter>xdelta3\headers</Filter>
-    </ClInclude>
-    <ClInclude Include="source\xdelta3\xdelta3-hash.h">
-      <Filter>xdelta3\headers</Filter>
-    </ClInclude>
-    <ClInclude Include="source\xdelta3\xdelta3-list.h">
-      <Filter>xdelta3\headers</Filter>
-    </ClInclude>
     <ClInclude Include="source\input.h">
       <Filter>eduke32\headers</Filter>
     </ClInclude>
@@ -686,9 +662,6 @@
     <ClCompile Include="source\sounds_mapster32.c">
       <Filter>eduke32\source\editor</Filter>
     </ClCompile>
-    <ClCompile Include="source\xdelta3\xdelta3.c">
-      <Filter>xdelta3\source</Filter>
-    </ClCompile>
     <ClCompile Include="source\input.c">
       <Filter>eduke32\source</Filter>
     </ClCompile>