1 files changed, 0 insertions, 3 deletions
diff --git a/process.c b/process.c
index a246cf9d47..5374375e1b 100644
--- a/process.c
+++ b/process.c
@@ -12,9 +12,6 @@
 
 **********************************************************************/
 
-#ifdef linux
-#define _GNU_SOURCE 1
-#endif
 #include "ruby/ruby.h"
 #include "ruby/signal.h"
 #include "vm_core.h"