diff --git a/Aaru.Decoders.csproj b/Aaru.Decoders.csproj
index 419999e0d..d599fba69 100644
--- a/Aaru.Decoders.csproj
+++ b/Aaru.Decoders.csproj
@@ -54,9 +54,6 @@
     <WarningLevel>4</WarningLevel>
     <ConsolePause>false</ConsolePause>
   </PropertyGroup>
-  <ItemGroup>
-    <Reference Include="System" />
-  </ItemGroup>
   <ItemGroup>
     <Compile Include="Bluray\BCA.cs" />
     <Compile Include="Bluray\Cartridge.cs" />