diff --git a/BasiliskII/src/Unix/timer_unix.cpp b/BasiliskII/src/Unix/timer_unix.cpp
index 3bf78f43..9e227d02 100644
--- a/BasiliskII/src/Unix/timer_unix.cpp
+++ b/BasiliskII/src/Unix/timer_unix.cpp
@@ -32,7 +32,7 @@
 #define CLOCK_REALTIME 0
 #endif
 
-#if !defined(HAVE_CLOCK_GETTIME) && defined(__MACH__)
+#if defined(__MACH__)
 #include <mach/mach.h>
 #include <mach/clock.h>