diff --git a/stepmania/src/arch/arch_platform.h b/stepmania/src/arch/arch_platform.h
index b7b43fb86e..cf3e128aac 100644
--- a/stepmania/src/arch/arch_platform.h
+++ b/stepmania/src/arch/arch_platform.h
@@ -3,9 +3,6 @@
 
 // In here, you define which APIs are guaranteed to be available on which OSes.
 // Don't ever actually #include anything here -- that's for */Selector_*.h.
-#if defined(UNIX) && !defined(__MACOSX__)
-#define HAVE_UNIX
-#endif
 #if defined(__MACOSX__)
 #define HAVE_MACOSX
 #define HAVE_COCOA