--- a/src/sdl/i_system.c
+++ b/src/sdl/i_system.c
@@ -137,11 +137,6 @@
 #include <errno.h>
 #endif
 
-#if defined (__unix__) || defined(__APPLE__) || defined (UNIXCOMMON)
-#include <execinfo.h>
-#include <time.h>
-#define UNIXBACKTRACE
-#endif
 
 // Locations for searching the srb2.pk3
 #if defined (__unix__) || defined(__APPLE__) || defined (UNIXCOMMON)