diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index ee11183..96988d1 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -89,6 +89,7 @@
 {
 	spinlock_t	lock;
 	int		deleted;
+	int		id;
 	key_t		key;
 	uid_t		uid;
 	gid_t		gid;
diff --git a/include/linux/msg.h b/include/linux/msg.h
index f1b60740d..10a3d5a 100644
--- a/include/linux/msg.h
+++ b/include/linux/msg.h
@@ -77,7 +77,6 @@
 /* one msq_queue structure for each present queue on the system */
 struct msg_queue {
 	struct kern_ipc_perm q_perm;
-	int q_id;
 	time_t q_stime;			/* last msgsnd time */
 	time_t q_rtime;			/* last msgrcv time */
 	time_t q_ctime;			/* last change time */
diff --git a/include/linux/sem.h b/include/linux/sem.h
index 9aaffb0..c8eaad9 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -90,7 +90,6 @@
 /* One sem_array data structure for each set of semaphores in the system. */
 struct sem_array {
 	struct kern_ipc_perm	sem_perm;	/* permissions .. see ipc.h */
-	int			sem_id;
 	time_t			sem_otime;	/* last semop time */
 	time_t			sem_ctime;	/* last change time */
 	struct sem		*sem_base;	/* ptr to first semaphore in array */
diff --git a/include/linux/shm.h b/include/linux/shm.h
index bea65d9..eeaed92 100644
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -79,7 +79,6 @@
 {	
 	struct kern_ipc_perm	shm_perm;
 	struct file *		shm_file;
-	int			id;
 	unsigned long		shm_nattch;
 	unsigned long		shm_segsz;
 	time_t			shm_atim;