diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.Core.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.Core.cs
index da1575055b..c60367a7fc 100644
--- a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.Core.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.Core.cs
@@ -79,9 +79,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 			magicSoundProvider = null;
 		}
 
-		// Sound refactor todo: do we want to support async?
-		class MagicSoundProvider
-			: ISoundProvider, IDisposable
+		class MagicSoundProvider : ISoundProvider, IDisposable
 		{
 			BlipBuffer blip;
 			NES nes;
diff --git a/BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs b/BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs
index 33a73126d3..0e746bcc78 100644
--- a/BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs
@@ -301,7 +301,7 @@ namespace BizHawk.Emulation.Cores.Sega.Genesis
 
 		public CoreComm CoreComm { get; private set; }
 
-		// Sound refactor todo: Implement ISoundProvider
+		// TODO: Implement ISoundProvider
 		/*
 		public IAsyncSoundProvider SoundProvider
 		{