diff --git a/stepmania/src/archutils/Unix/Backtrace.h b/stepmania/src/archutils/Unix/Backtrace.h
index 6519506b51..a19b61cf9d 100644
--- a/stepmania/src/archutils/Unix/Backtrace.h
+++ b/stepmania/src/archutils/Unix/Backtrace.h
@@ -34,7 +34,6 @@ void GetCurrentBacktraceContext( BacktraceContext *ctx );
 void GetSignalBacktraceContext( BacktraceContext *ctx, const ucontext_t *uc );
 
 #define BACKTRACE_METHOD_NOT_AVAILABLE ((void*) -1)
-#define BACKTRACE_SIGNAL_TRAMPOLINE ((void*) -2)
 
 #endif