2 files changed, 4 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 9d2f7ebc05..eae82b3266 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jan 10 12:49:42 2012  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* gc.c: in fact, i686-linux doesn't need to define _XOPEN_SOURCE 600.
+
 Tue Jan 10 12:44:11 2012  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* gc.c (ruby_mimmalloc): defined for objects need not rb_objspace,
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