2 files changed, 2 insertions, 98 deletions
diff --git a/library/std/src/sys/unix/stdio.rs b/library/std/src/sys/unix/stdio.rs
index 329f9433dba..b3626c564e8 100644
--- a/library/std/src/sys/unix/stdio.rs
+++ b/library/std/src/sys/unix/stdio.rs
@@ -1,6 +1,6 @@
 use crate::io::{self, IoSlice, IoSliceMut};
 use crate::mem::ManuallyDrop;
-use crate::os::unix::io::{AsFd, BorrowedFd, FromRawFd};
+use crate::os::unix::io::FromRawFd;
 use crate::sys::fd::FileDesc;
 
 pub struct Stdin(());
@@ -91,51 +91,3 @@ pub const STDIN_BUF_SIZE: usize = crate::sys_common::io::DEFAULT_BUF_SIZE;
 pub fn panic_output() -> Option<impl io::Write> {
     Some(Stderr::new())
 }
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl AsFd for io::Stdin {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(libc::STDIN_FILENO) }
-    }
-}
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl<'a> AsFd for io::StdinLock<'a> {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(libc::STDIN_FILENO) }
-    }
-}
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl AsFd for io::Stdout {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(libc::STDOUT_FILENO) }
-    }
-}
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl<'a> AsFd for io::StdoutLock<'a> {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(libc::STDOUT_FILENO) }
-    }
-}
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl AsFd for io::Stderr {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(libc::STDERR_FILENO) }
-    }
-}
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl<'a> AsFd for io::StderrLock<'a> {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(libc::STDERR_FILENO) }
-    }
-}
diff --git a/library/std/src/sys/wasi/stdio.rs b/library/std/src/sys/wasi/stdio.rs
index 427dcf6bb06..4cc0e4ed5a4 100644
--- a/library/std/src/sys/wasi/stdio.rs
+++ b/library/std/src/sys/wasi/stdio.rs
@@ -4,7 +4,7 @@ use super::fd::WasiFd;
 use crate::io::{self, IoSlice, IoSliceMut};
 use crate::mem::ManuallyDrop;
 use crate::os::raw;
-use crate::os::wasi::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd};
+use crate::os::wasi::io::{AsRawFd, FromRawFd};
 
 pub struct Stdin;
 pub struct Stdout;
@@ -23,22 +23,6 @@ impl AsRawFd for Stdin {
     }
 }
 
-impl AsFd for io::Stdin {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(0) }
-    }
-}
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl<'a> AsFd for io::StdinLock<'a> {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        // SAFETY: user code should not close stdin out from under the standard library
-        unsafe { BorrowedFd::borrow_raw(0) }
-    }
-}
-
 impl io::Read for Stdin {
     fn read(&mut self, data: &mut [u8]) -> io::Result<usize> {
         self.read_vectored(&mut [IoSliceMut::new(data)])
@@ -67,22 +51,6 @@ impl AsRawFd for Stdout {
     }
 }
 
-impl AsFd for io::Stdout {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(1) }
-    }
-}
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl<'a> AsFd for io::StdoutLock<'a> {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        // SAFETY: user code should not close stdout out from under the standard library
-        unsafe { BorrowedFd::borrow_raw(1) }
-    }
-}
-
 impl io::Write for Stdout {
     fn write(&mut self, data: &[u8]) -> io::Result<usize> {
         self.write_vectored(&[IoSlice::new(data)])
@@ -114,22 +82,6 @@ impl AsRawFd for Stderr {
     }
 }
 
-impl AsFd for io::Stderr {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        unsafe { BorrowedFd::borrow_raw(2) }
-    }
-}
-
-#[stable(feature = "io_safety", since = "1.63.0")]
-impl<'a> AsFd for io::StderrLock<'a> {
-    #[inline]
-    fn as_fd(&self) -> BorrowedFd<'_> {
-        // SAFETY: user code should not close stderr out from under the standard library
-        unsafe { BorrowedFd::borrow_raw(2) }
-    }
-}
-
 impl io::Write for Stderr {
     fn write(&mut self, data: &[u8]) -> io::Result<usize> {
         self.write_vectored(&[IoSlice::new(data)])