diff --git a/src/uu/mknod/src/parsemode.rs b/src/uu/mknod/src/parsemode.rs
deleted file mode 100644
index c38800bcb..000000000
--- a/src/uu/mknod/src/parsemode.rs
+++ /dev/null
@@ -1,57 +0,0 @@
-// This file is part of the uutils coreutils package.
-//
-// For the full copyright and license information, please view the LICENSE
-// file that was distributed with this source code.
-// spell-checker:ignore (path) osrelease
-
-use libc::{mode_t, S_IRGRP, S_IROTH, S_IRUSR, S_IWGRP, S_IWOTH, S_IWUSR};
-
-use uucore::mode;
-
-pub const MODE_RW_UGO: mode_t = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
-
-pub fn parse_mode(mode: &str) -> Result<mode_t, String> {
-    let result = if mode.chars().any(|c| c.is_ascii_digit()) {
-        mode::parse_numeric(MODE_RW_UGO as u32, mode)
-    } else {
-        mode::parse_symbolic(MODE_RW_UGO as u32, mode, true)
-    };
-    result.map(|mode| mode as mode_t)
-}
-
-#[cfg(test)]
-mod test {
-    /// Test if the program is running under WSL
-    // ref: <https://github.com/microsoft/WSL/issues/4555> @@ <https://archive.is/dP0bz>
-    // ToDO: test on WSL2 which likely doesn't need special handling; plan change to `is_wsl_1()` if WSL2 is less needy
-    pub fn is_wsl() -> bool {
-        #[cfg(target_os = "linux")]
-        {
-            if let Ok(b) = std::fs::read("/proc/sys/kernel/osrelease") {
-                if let Ok(s) = std::str::from_utf8(&b) {
-                    let a = s.to_ascii_lowercase();
-                    return a.contains("microsoft") || a.contains("wsl");
-                }
-            }
-        }
-        false
-    }
-
-    #[test]
-    fn symbolic_modes() {
-        assert_eq!(super::parse_mode("u+x").unwrap(), 0o766);
-        assert_eq!(
-            super::parse_mode("+x").unwrap(),
-            if is_wsl() { 0o776 } else { 0o777 }
-        );
-        assert_eq!(super::parse_mode("a-w").unwrap(), 0o444);
-        assert_eq!(super::parse_mode("g-r").unwrap(), 0o626);
-    }
-
-    #[test]
-    fn numeric_modes() {
-        assert_eq!(super::parse_mode("644").unwrap(), 0o644);
-        assert_eq!(super::parse_mode("+100").unwrap(), 0o766);
-        assert_eq!(super::parse_mode("-4").unwrap(), 0o662);
-    }
-}