--- SleepLib/thirdparty/botan_freebsd.h
+++ SleepLib/thirdparty/botan_freebsd.h
@@ -75,7 +75,6 @@
 #define BOTAN_TARGET_OS_HAS_CLOCK_GETTIME
 #define BOTAN_TARGET_OS_HAS_DEV_RANDOM
 #define BOTAN_TARGET_OS_HAS_FILESYSTEM
-#define BOTAN_TARGET_OS_HAS_GETAUXVAL
 #define BOTAN_TARGET_OS_HAS_POSIX1
 #define BOTAN_TARGET_OS_HAS_POSIX_MLOCK
 #define BOTAN_TARGET_OS_HAS_PROC_FS