diff --git a/BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs b/BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs
index 0e746bcc78..d445405db2 100644
--- a/BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs
+++ b/BizHawk.Emulation.Cores/Consoles/Sega/Genesis/Genesis.cs
@@ -456,7 +456,7 @@ namespace BizHawk.Emulation.Cores.Sega.Genesis
 
 		public bool BinarySaveStatesPreferred { get { return false; } }
 
-		MemoryDomainList memoryDomains;
+		//MemoryDomainList memoryDomains;
 
 		void SetupMemoryDomains()
 		{