diff --git a/arch/or1k/bits/ipc.h b/arch/or1k/bits/ipc.h
deleted file mode 100644
index 40d6f3a2..00000000
--- a/arch/or1k/bits/ipc.h
+++ /dev/null
@@ -1,11 +0,0 @@
-struct ipc_perm {
-	key_t __ipc_perm_key;
-	uid_t uid;
-	gid_t gid;
-	uid_t cuid;
-	gid_t cgid;
-	mode_t mode;
-	int __ipc_perm_seq;
-	long __pad1;
-	long __pad2;
-};
diff --git a/arch/x86_64/bits/ipc.h b/arch/x86_64/bits/ipc.h
deleted file mode 100644
index 40d6f3a2..00000000
--- a/arch/x86_64/bits/ipc.h
+++ /dev/null
@@ -1,11 +0,0 @@
-struct ipc_perm {
-	key_t __ipc_perm_key;
-	uid_t uid;
-	gid_t gid;
-	uid_t cuid;
-	gid_t cgid;
-	mode_t mode;
-	int __ipc_perm_seq;
-	long __pad1;
-	long __pad2;
-};