diff --git a/src/uu/sync/src/sync.rs b/src/uu/sync/src/sync.rs
index a0139dcdf..08ba6b1d4 100644
--- a/src/uu/sync/src/sync.rs
+++ b/src/uu/sync/src/sync.rs
@@ -16,7 +16,9 @@ use nix::fcntl::{open, OFlag};
 use nix::sys::stat::Mode;
 use std::path::Path;
 use uucore::display::Quotable;
-use uucore::error::{FromIo, UResult, USimpleError};
+#[cfg(any(target_os = "linux", target_os = "android"))]
+use uucore::error::FromIo;
+use uucore::error::{UResult, USimpleError};
 use uucore::format_usage;
 
 static ABOUT: &str = "Synchronize cached writes to persistent storage";
diff --git a/src/uucore/src/lib/mods/error.rs b/src/uucore/src/lib/mods/error.rs
index de53f2ef3..5f6f21b77 100644
--- a/src/uucore/src/lib/mods/error.rs
+++ b/src/uucore/src/lib/mods/error.rs
@@ -522,6 +522,7 @@ impl From<std::io::Error> for Box<dyn UError> {
 /// // prints "fix me please!: Permission denied"
 /// println!("{}", uio_result.unwrap_err());
 /// ```
+#[cfg(any(target_os = "linux", target_os = "android"))]
 impl<T> FromIo<UResult<T>> for Result<T, nix::Error> {
     fn map_err_context(self, context: impl FnOnce() -> String) -> UResult<T> {
         self.map_err(|e| {
@@ -533,6 +534,7 @@ impl<T> FromIo<UResult<T>> for Result<T, nix::Error> {
     }
 }
 
+#[cfg(any(target_os = "linux", target_os = "android"))]
 impl<T> FromIo<UResult<T>> for nix::Error {
     fn map_err_context(self, context: impl FnOnce() -> String) -> UResult<T> {
         Err(Box::new(UIoError {
@@ -542,6 +544,7 @@ impl<T> FromIo<UResult<T>> for nix::Error {
     }
 }
 
+#[cfg(any(target_os = "linux", target_os = "android"))]
 impl From<nix::Error> for UIoError {
     fn from(f: nix::Error) -> Self {
         Self {
@@ -551,6 +554,7 @@ impl From<nix::Error> for UIoError {
     }
 }
 
+#[cfg(any(target_os = "linux", target_os = "android"))]
 impl From<nix::Error> for Box<dyn UError> {
     fn from(f: nix::Error) -> Self {
         let u_error: UIoError = f.into();
@@ -746,12 +750,13 @@ impl Display for ClapErrorWrapper {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
-    use nix::errno::Errno;
-    use std::io::ErrorKind;
-
     #[test]
+    #[cfg(any(target_os = "linux", target_os = "android"))]
     fn test_nix_error_conversion() {
+        use super::{FromIo, UIoError};
+        use nix::errno::Errno;
+        use std::io::ErrorKind;
+
         for (nix_error, expected_error_kind) in [
             (Errno::EACCES, ErrorKind::PermissionDenied),
             (Errno::ENOENT, ErrorKind::NotFound),