diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 7175c302b0c0..7a507a4c147d 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -21,8 +21,6 @@
 
 */
 
-#define _GNU_SOURCE
-
 #define __NO_VERSION__
 #include <linux/device.h>
 #include <linux/module.h>
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c
index 8ef80fd61755..2fb4b7790aeb 100644
--- a/drivers/staging/comedi/drivers/ni_65xx.c
+++ b/drivers/staging/comedi/drivers/ni_65xx.c
@@ -48,7 +48,6 @@ except maybe the 6514.
 
  */
 
-#define _GNU_SOURCE
 #define DEBUG 1
 #define DEBUG_FLAGS
 #include <linux/interrupt.h>