diff --git a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
index 6ad19b15b9..d2bd71b1ee 100644
--- a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
+++ b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
@@ -372,26 +372,6 @@
     <Compile Include="Consoles\Atari\A7800Hawk\TIA_Sound\Tia.Audio.cs" />
     <Compile Include="Consoles\Atari\A7800Hawk\TIA_Sound\TIA.cs" />
     <Compile Include="Consoles\Atari\A7800Hawk\TIA_Sound\Tia.SyncState.cs" />
-    <Compile Include="Consoles\Atari\7800\Atari7800.cs" />
-    <Compile Include="Consoles\Atari\7800\Atari7800.IDebuggable.cs">
-      <DependentUpon>Atari7800.cs</DependentUpon>
-    </Compile>
-    <Compile Include="Consoles\Atari\7800\Atari7800.IEmulator.cs">
-      <DependentUpon>Atari7800.cs</DependentUpon>
-    </Compile>
-    <Compile Include="Consoles\Atari\7800\Atari7800.IInputPollable.cs">
-      <DependentUpon>Atari7800.cs</DependentUpon>
-    </Compile>
-    <Compile Include="Consoles\Atari\7800\Atari7800.IMemoryDomains.cs">
-      <DependentUpon>Atari7800.cs</DependentUpon>
-    </Compile>
-    <Compile Include="Consoles\Atari\7800\Atari7800.IStatable.cs">
-      <DependentUpon>Atari7800.cs</DependentUpon>
-    </Compile>
-    <Compile Include="Consoles\Atari\7800\Atari7800Control.cs" />
-    <Compile Include="Consoles\Atari\7800\Atari7800.ISaveRam.cs">
-      <DependentUpon>Atari7800.cs</DependentUpon>
-    </Compile>
     <Compile Include="Consoles\Atari\lynx\LibLynx.cs" />
     <Compile Include="Consoles\Atari\lynx\Lynx.cs" />
     <Compile Include="Consoles\Atari\lynx\Lynx.IInputPollable.cs">