diff --git a/essentials-framework/Essentials DM/Essentials_DM/Essentials_DM.csproj b/essentials-framework/Essentials DM/Essentials_DM/Essentials_DM.csproj
index 4bdf5174..f266c842 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Essentials_DM.csproj	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Essentials_DM.csproj	
@@ -97,7 +97,6 @@
     <Compile Include="Cards REMOVE\DmInputCardBase.cs" />
     <Compile Include="Chassis\DmCardAudioOutput.cs" />
     <Compile Include="Chassis\DmChassisController.cs" />
-    <Compile Include="Chassis\DmpsAudioOutputController.cs" />
     <Compile Include="Chassis\DmpsInternalVirtualDmTxController.cs" />
     <Compile Include="Chassis\DmpsRoutingController.cs" />
     <Compile Include="Chassis\HdMdNxM4kEController.cs" />