diff --git a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/ExROM.cs b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/ExROM.cs
index 9c609ee00d..edc8c047d7 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/ExROM.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/ExROM.cs
@@ -1,7 +1,3 @@
-#if DEBUG
-using System.Diagnostics;
-#endif
-
 using BizHawk.Common;
 using BizHawk.Emulation.Common;
 using BizHawk.Emulation.Cores.Components;