diff --git a/Cargo.lock b/Cargo.lock
index eda51323a..808548b20 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -167,7 +167,6 @@ dependencies = [
  "maplit",
  "mbrman",
  "nix",
- "openat-ext",
  "openssl",
  "pipe",
  "rand",
@@ -785,27 +784,6 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
-[[package]]
-name = "openat"
-version = "0.1.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95aa7c05907b3ebde2610d602f4ddd992145cc6a84493647c30396f30ba83abe"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "openat-ext"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08ebe55c8d6ada962ca7ddaef14f020dae1af91748bea3d36e8c941036b5d85b"
-dependencies = [
- "libc",
- "nix",
- "openat",
- "rand",
-]
-
 [[package]]
 name = "openssl"
 version = "0.10.38"
diff --git a/Cargo.toml b/Cargo.toml
index 3c536bcd4..f175d1290 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,7 +52,6 @@ ignition-config = "0.2"
 lazy_static = "^1.4"
 libc = "^0.2"
 nix = ">= 0.22, < 0.24"
-openat-ext = ">= 0.1.4, < 0.3"
 openssl = "^0.10"
 pipe = ">= 0.3, < 0.5"
 regex = ">= 1.4, < 1.6"
diff --git a/src/live/util.rs b/src/live/util.rs
index 91526c908..45a759188 100644
--- a/src/live/util.rs
+++ b/src/live/util.rs
@@ -14,7 +14,6 @@
 
 use anyhow::{bail, Context, Result};
 use nix::unistd::isatty;
-use openat_ext::FileExt;
 use std::fs::{write, File, OpenOptions};
 use std::io::{self, copy, BufWriter, Seek, SeekFrom, Write};
 use std::os::unix::io::AsRawFd;
@@ -62,9 +61,7 @@ pub(super) fn write_live_iso(
                 .tempfile_in(output_dir)
                 .context("creating temporary file")?;
             input.seek(SeekFrom::Start(0)).context("seeking input")?;
-            input
-                .copy_to(output.as_file_mut())
-                .context("copying input to temporary file")?;
+            copy(input, output.as_file_mut()).context("copying input to temporary file")?;
             iso.write(output.as_file_mut())?;
             output
                 .persist_noclobber(&output_path)