diff --git a/arch/generic/bits/shm.h b/arch/generic/bits/shm.h
index 45d1d157..6652d659 100644
--- a/arch/generic/bits/shm.h
+++ b/arch/generic/bits/shm.h
@@ -4,11 +4,8 @@ struct shmid_ds {
 	struct ipc_perm shm_perm;
 	size_t shm_segsz;
 	time_t shm_atime;
-	int __unused1;
 	time_t shm_dtime;
-	int __unused2;
 	time_t shm_ctime;
-	int __unused3;
 	pid_t shm_cpid;
 	pid_t shm_lpid;
 	unsigned long shm_nattch;