diff --git a/usr.bin/ipcs/ipc.c b/usr.bin/ipcs/ipc.c
index f3e04faf6734..306d659d7d06 100644
--- a/usr.bin/ipcs/ipc.c
+++ b/usr.bin/ipcs/ipc.c
@@ -55,7 +55,6 @@ struct msginfo		msginfo;
 struct msqid_kernel	*msqids;
 struct shminfo		shminfo;
 struct shmid_kernel	*shmsegs;
-void	kget(int idx, void *addr, size_t size);
 
 struct nlist symbols[] = {
 	{ .n_name = "sema" },
diff --git a/usr.bin/ipcs/ipc.h b/usr.bin/ipcs/ipc.h
index e3bbd711629d..0b6188a7217b 100644
--- a/usr.bin/ipcs/ipc.h
+++ b/usr.bin/ipcs/ipc.h
@@ -64,8 +64,5 @@ extern struct nlist symbols[];
 extern kvm_t *kd;
 
 extern struct semid_kernel	*sema;
-extern struct seminfo		seminfo;
-extern struct msginfo		msginfo;
 extern struct msqid_kernel	*msqids;
-extern struct shminfo		shminfo;
 extern struct shmid_kernel	*shmsegs;