diff --git a/arch/aarch64/bits/msg.h b/arch/aarch64/bits/msg.h
deleted file mode 100644
index 641e1703..00000000
--- a/arch/aarch64/bits/msg.h
+++ /dev/null
@@ -1,13 +0,0 @@
-struct msqid_ds {
-	struct ipc_perm msg_perm;
-	time_t msg_stime;
-	time_t msg_rtime;
-	time_t msg_ctime;
-	unsigned long msg_cbytes;
-	msgqnum_t msg_qnum;
-	msglen_t msg_qbytes;
-	pid_t msg_lspid;
-	pid_t msg_lrpid;
-	unsigned long __pad1;
-	unsigned long __pad2;
-};
diff --git a/arch/mips64/bits/msg.h b/arch/mips64/bits/msg.h
deleted file mode 100644
index 641e1703..00000000
--- a/arch/mips64/bits/msg.h
+++ /dev/null
@@ -1,13 +0,0 @@
-struct msqid_ds {
-	struct ipc_perm msg_perm;
-	time_t msg_stime;
-	time_t msg_rtime;
-	time_t msg_ctime;
-	unsigned long msg_cbytes;
-	msgqnum_t msg_qnum;
-	msglen_t msg_qbytes;
-	pid_t msg_lspid;
-	pid_t msg_lrpid;
-	unsigned long __pad1;
-	unsigned long __pad2;
-};
diff --git a/arch/powerpc64/bits/msg.h b/arch/powerpc64/bits/msg.h
deleted file mode 100644
index 2e23ca27..00000000
--- a/arch/powerpc64/bits/msg.h
+++ /dev/null
@@ -1,12 +0,0 @@
-struct msqid_ds {
-	struct ipc_perm msg_perm;
-	time_t msg_stime;
-	time_t msg_rtime;
-	time_t msg_ctime;
-	unsigned long msg_cbytes;
-	msgqnum_t msg_qnum;
-	msglen_t msg_qbytes;
-	pid_t msg_lspid;
-	pid_t msg_lrpid;
-	unsigned long __unused[2];
-};
diff --git a/arch/riscv64/bits/msg.h b/arch/riscv64/bits/msg.h
deleted file mode 100644
index 641e1703..00000000
--- a/arch/riscv64/bits/msg.h
+++ /dev/null
@@ -1,13 +0,0 @@
-struct msqid_ds {
-	struct ipc_perm msg_perm;
-	time_t msg_stime;
-	time_t msg_rtime;
-	time_t msg_ctime;
-	unsigned long msg_cbytes;
-	msgqnum_t msg_qnum;
-	msglen_t msg_qbytes;
-	pid_t msg_lspid;
-	pid_t msg_lrpid;
-	unsigned long __pad1;
-	unsigned long __pad2;
-};
diff --git a/arch/s390x/bits/msg.h b/arch/s390x/bits/msg.h
deleted file mode 100644
index 2e23ca27..00000000
--- a/arch/s390x/bits/msg.h
+++ /dev/null
@@ -1,12 +0,0 @@
-struct msqid_ds {
-	struct ipc_perm msg_perm;
-	time_t msg_stime;
-	time_t msg_rtime;
-	time_t msg_ctime;
-	unsigned long msg_cbytes;
-	msgqnum_t msg_qnum;
-	msglen_t msg_qbytes;
-	pid_t msg_lspid;
-	pid_t msg_lrpid;
-	unsigned long __unused[2];
-};
diff --git a/arch/x86_64/bits/msg.h b/arch/x86_64/bits/msg.h
deleted file mode 100644
index 2e23ca27..00000000
--- a/arch/x86_64/bits/msg.h
+++ /dev/null
@@ -1,12 +0,0 @@
-struct msqid_ds {
-	struct ipc_perm msg_perm;
-	time_t msg_stime;
-	time_t msg_rtime;
-	time_t msg_ctime;
-	unsigned long msg_cbytes;
-	msgqnum_t msg_qnum;
-	msglen_t msg_qbytes;
-	pid_t msg_lspid;
-	pid_t msg_lrpid;
-	unsigned long __unused[2];
-};