diff --git a/src/BizHawk.Emulation.Cores/Consoles/Sega/gpgx64/GPGX.cs b/src/BizHawk.Emulation.Cores/Consoles/Sega/gpgx64/GPGX.cs
index 8ce6fe7bc5..769a73343d 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Sega/gpgx64/GPGX.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Sega/gpgx64/GPGX.cs
@@ -6,10 +6,8 @@ using BizHawk.Common.PathExtensions;
 using BizHawk.Emulation.Common;
 using BizHawk.Emulation.Cores.Waterbox;
 using BizHawk.Common;
-using BizHawk.Common.StringExtensions;
 using BizHawk.Emulation.DiscSystem;
 using System.Linq;
-using System.IO;
 
 namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
 {
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Sony/PSX/Nymashock.cs b/src/BizHawk.Emulation.Cores/Consoles/Sony/PSX/Nymashock.cs
index a033b88006..d78e7adfa2 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Sony/PSX/Nymashock.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Sony/PSX/Nymashock.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 
 using BizHawk.Common;
 using BizHawk.Common.StringExtensions;