diff --git a/include/linux/sched.h b/include/linux/sched.h
index b51c53c285b8..cdf56693ecbf 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1682,8 +1682,6 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
 /*
  * Per process flags
  */
-#define PF_ALIGNWARN	0x00000001	/* Print alignment warning msgs */
-					/* Not implemented yet, only for 486*/
 #define PF_STARTING	0x00000002	/* being created */
 #define PF_EXITING	0x00000004	/* getting shut down */
 #define PF_EXITPIDONE	0x00000008	/* pi exit done on shut down */