diff --git a/ChangeLog b/ChangeLog
index 0eb1acc777..c90f2c7754 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,12 @@
 	* sysdeps/x86_64/dl-trampoline.S (_dl_runtime_profile): Simplify
 	AVX check.
 
+2011-09-07  Andreas Schwab  <schwab@redhat.com>
+
+	[BZ #13144]
+	* sysdeps/unix/sysv/linux/x86_64/bits/sem.h (semdid_ds): Revert
+	last change.
+
 2011-09-07  Ulrich Drepper  <drepper@gmail.com>
 
 	* sysdeps/unix/sysv/linux/x86_64/init-first.c
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/sem.h b/sysdeps/unix/sysv/linux/x86_64/bits/sem.h
index 7153e21431..e86c3578ba 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/sem.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/sem.h
@@ -40,13 +40,9 @@ struct semid_ds
 {
   struct ipc_perm sem_perm;		/* operation permission struct */
   __time_t sem_otime;			/* last semop() time */
-#if __WORDSIZE == 32
   unsigned long int __unused1;
-#endif
   __time_t sem_ctime;			/* last time changed by semctl() */
-#if __WORDSIZE == 32
   unsigned long int __unused2;
-#endif
   unsigned long int sem_nsems;		/* number of semaphores in set */
   unsigned long int __unused3;
   unsigned long int __unused4;