diff --git a/SingleSource/Benchmarks/Misc/mandel.c b/SingleSource/Benchmarks/Misc/mandel.c
--- a/SingleSource/Benchmarks/Misc/mandel.c
+++ b/SingleSource/Benchmarks/Misc/mandel.c
@@ -11,12 +11,10 @@
 
 #define I 1.0iF
 
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__MINGW32__)
+#if defined(__MINGW32__)
 #include <complex.h>
-#elif defined(__APPLE__)
-#include <math.h>
 #else
-#include <tgmath.h>
+#include <math.h>
 #endif
 
 #include <stdio.h>