1 files changed, 0 insertions, 3 deletions
diff --git a/gc.c b/gc.c
index 696fb7ab59..bd1483a1de 100644
--- a/gc.c
+++ b/gc.c
@@ -37,9 +37,6 @@
 #if defined _WIN32 || defined __CYGWIN__
 #include <windows.h>
 #elif defined(HAVE_POSIX_MEMALIGN)
-# ifdef __linux__ /* i386 linux needs #define _XOPEN_SOURCE 600 to use posix_memalign */
-#  define _XOPEN_SOURCE 600
-# endif
 #elif defined(HAVE_MEMALIGN)
 #include <malloc.h>
 #endif