diff --git a/src/BizHawk.Client.Common/Api/BizHawkExternalToolUsage.cs b/src/BizHawk.Client.Common/Api/BizHawkExternalToolUsage.cs
deleted file mode 100644
index 719ad47464..0000000000
--- a/src/BizHawk.Client.Common/Api/BizHawkExternalToolUsage.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-namespace BizHawk.Client.Common
-{
- ///
- /// This enum describe how an external tool is handled
- ///
- public enum BizHawkExternalToolUsage : short
- {
- ///
- /// General usage, works even with null emulator
- ///
- Global = 0,
-
- ///
- /// Specific to an emulator (NES,SNES,etc...)
- ///
- EmulatorSpecific = 1,
-
- ///
- /// Specific to a Game
- ///
- GameSpecific = 2
- }
-}