diff --git a/lib/std/os/linux/hexagon.zig b/lib/std/os/linux/hexagon.zig
index bf6c6cb1620e86d614f4398ce585f894aaca4d10..72e094da4313fa1e090c033a0ed1760bed0c627f 100644
--- a/lib/std/os/linux/hexagon.zig
+++ b/lib/std/os/linux/hexagon.zig
@@ -168,30 +168,6 @@ pub const Flock = extern struct {
     __unused: [4]u8,
 };
 
-pub const msghdr = extern struct {
-    name: ?*sockaddr,
-    namelen: socklen_t,
-    iov: [*]iovec,
-    iovlen: i32,
-    __pad1: i32 = 0,
-    control: ?*anyopaque,
-    controllen: socklen_t,
-    __pad2: socklen_t = 0,
-    flags: i32,
-};
-
-pub const msghdr_const = extern struct {
-    name: ?*const sockaddr,
-    namelen: socklen_t,
-    iov: [*]const iovec_const,
-    iovlen: i32,
-    __pad1: i32 = 0,
-    control: ?*const anyopaque,
-    controllen: socklen_t,
-    __pad2: socklen_t = 0,
-    flags: i32,
-};
-
 pub const blksize_t = i32;
 pub const nlink_t = u32;
 pub const time_t = i32;
diff --git a/lib/std/os/linux/loongarch64.zig b/lib/std/os/linux/loongarch64.zig
index f57050ddb7e5cb857f460ad550ed6d71b0762a98..79d06126089402439b1e3334806ee7782884d96d 100644
--- a/lib/std/os/linux/loongarch64.zig
+++ b/lib/std/os/linux/loongarch64.zig
@@ -135,30 +135,6 @@ pub fn clone() callconv(.naked) usize {
     );
 }
 
-pub const msghdr = extern struct {
-    name: ?*sockaddr,
-    namelen: socklen_t,
-    iov: [*]iovec,
-    iovlen: i32,
-    __pad1: i32 = 0,
-    control: ?*anyopaque,
-    controllen: socklen_t,
-    __pad2: socklen_t = 0,
-    flags: i32,
-};
-
-pub const msghdr_const = extern struct {
-    name: ?*const sockaddr,
-    namelen: socklen_t,
-    iov: [*]const iovec_const,
-    iovlen: i32,
-    __pad1: i32 = 0,
-    control: ?*const anyopaque,
-    controllen: socklen_t,
-    __pad2: socklen_t = 0,
-    flags: i32,
-};
-
 pub const blksize_t = i32;
 pub const nlink_t = u32;
 pub const time_t = i64;
diff --git a/lib/std/os/linux/m68k.zig b/lib/std/os/linux/m68k.zig
index 82d854e498385442fdb79fd50b83fc4bfd240398..cff68f23839b90796459b3c5be3d4ecba32f4d8e 100644
--- a/lib/std/os/linux/m68k.zig
+++ b/lib/std/os/linux/m68k.zig
@@ -199,27 +199,6 @@ pub const Flock = extern struct {
     pid: pid_t,
 };
 
-// TODO: not 100% sure of padding for msghdr
-pub const msghdr = extern struct {
-    name: ?*sockaddr,
-    namelen: socklen_t,
-    iov: [*]iovec,
-    iovlen: i32,
-    control: ?*anyopaque,
-    controllen: socklen_t,
-    flags: i32,
-};
-
-pub const msghdr_const = extern struct {
-    name: ?*const sockaddr,
-    namelen: socklen_t,
-    iov: [*]const iovec_const,
-    iovlen: i32,
-    control: ?*const anyopaque,
-    controllen: socklen_t,
-    flags: i32,
-};
-
 pub const Stat = extern struct {
     dev: dev_t,
     __pad: i16,
diff --git a/lib/std/os/linux/s390x.zig b/lib/std/os/linux/s390x.zig
index 86495f6f7953a9f1338d473c8162f75c2690e2a6..e76b6b57b18d40edb8ab0e205ecd9928916c7ff1 100644
--- a/lib/std/os/linux/s390x.zig
+++ b/lib/std/os/linux/s390x.zig
@@ -199,30 +199,6 @@ pub const Flock = extern struct {
     pid: pid_t,
 };
 
-pub const msghdr = extern struct {
-    name: ?*sockaddr,
-    namelen: socklen_t,
-    iov: [*]iovec,
-    __pad1: i32 = 0,
-    iovlen: i32,
-    control: ?*anyopaque,
-    __pad2: i32 = 0,
-    controllen: socklen_t,
-    flags: i32,
-};
-
-pub const msghdr_const = extern struct {
-    name: ?*const sockaddr,
-    namelen: socklen_t,
-    iov: [*]const iovec_const,
-    __pad1: i32 = 0,
-    iovlen: i32,
-    control: ?*const anyopaque,
-    __pad2: i32 = 0,
-    controllen: socklen_t,
-    flags: i32,
-};
-
 // The `stat` definition used by the Linux kernel.
 pub const Stat = extern struct {
     dev: dev_t,