diff --git a/isometric-park-fna/isometric-park-fna.csproj b/isometric-park-fna/isometric-park-fna.csproj
--- a/isometric-park-fna/isometric-park-fna.csproj
+++ b/isometric-park-fna/isometric-park-fna.csproj
@@ -59,7 +59,6 @@
     <Compile Include="Utils\Extensions.cs" />
     <Compile Include="Utils\Node.cs" />
     <Compile Include="Utils\Fact.cs" />
-    <Compile Include="Utils\FactRange.cs" />
     <Compile Include="UI\*.cs" />
   </ItemGroup>
   <ItemGroup>
@@ -89,9 +88,6 @@
     <None Include="Content\part4_tileset.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
-    <None Include="Content\part4_tileset_alt.png">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
     <None Include="Content\solid_tileset.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>