diff --git a/build.rs b/build.rs
index 923b2f44d1a..39608096e95 100644
--- a/build.rs
+++ b/build.rs
@@ -50,6 +50,9 @@ pub fn main() {
                 "chcon" | "runcon" if !(target_os == "linux" || target_os == "android") => {
                     continue;
                 }
+                "who" if target_os == "openbsd" => {
+                    continue;
+                }
                 "default" | "macos" | "unix" | "windows" | "selinux" | "zip" | "clap_complete"
                 | "clap_mangen" | "fluent_syntax" | "openssl" => continue, // common/standard feature names
                 "nightly" | "test_unimplemented" | "expensive_tests" | "test_risky_names" => {
diff --git a/src/uu/who/Cargo.toml b/src/uu/who/Cargo.toml
index c3c36788106..ceacbe5706e 100644
--- a/src/uu/who/Cargo.toml
+++ b/src/uu/who/Cargo.toml
@@ -18,7 +18,7 @@ path = "src/who.rs"
 test = false
 doctest = false
 
-[dependencies]
+[target.'cfg(any(target_vendor = "apple", target_os = "cygwin", target_os = "freebsd", target_os = "linux", target_os = "netbsd"))'.dependencies]
 clap = { workspace = true }
 fluent = { workspace = true }
 rustix = { workspace = true, features = ["fs", "termios"] }
@@ -33,3 +33,4 @@ workspace = true
 [[bin]]
 name = "who"
 path = "src/main.rs"
+required-features = ["uucore/default"]
diff --git a/src/uu/who/locales/en-US.ftl b/src/uu/who/locales/en-US.ftl
index 2984c2fdcc5..cca15b31852 100644
--- a/src/uu/who/locales/en-US.ftl
+++ b/src/uu/who/locales/en-US.ftl
@@ -54,6 +54,3 @@ who-heading-exit = EXIT
 
 # Error messages
 who-canonicalize-error = failed to canonicalize { $host }
-
-# Platform-specific messages
-who-unsupported-openbsd = unsupported command on OpenBSD
diff --git a/src/uu/who/locales/fr-FR.ftl b/src/uu/who/locales/fr-FR.ftl
index 0c853e51ee9..5cfb7c2d233 100644
--- a/src/uu/who/locales/fr-FR.ftl
+++ b/src/uu/who/locales/fr-FR.ftl
@@ -53,6 +53,3 @@ who-heading-exit = SORTIE
 
 # Error messages
 who-canonicalize-error = échec de canonicalisation de { $host }
-
-# Platform-specific messages
-who-unsupported-openbsd = commande non prise en charge sur OpenBSD
diff --git a/src/uu/who/src/platform/mod.rs b/src/uu/who/src/platform/mod.rs
index e0e87dca1bf..906b7e7dbb9 100644
--- a/src/uu/who/src/platform/mod.rs
+++ b/src/uu/who/src/platform/mod.rs
@@ -3,12 +3,6 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 
-#[cfg(not(target_os = "openbsd"))]
 mod unix;
-#[cfg(not(target_os = "openbsd"))]
-pub use self::unix::*;
 
-#[cfg(target_os = "openbsd")]
-mod openbsd;
-#[cfg(target_os = "openbsd")]
-pub use self::openbsd::*;
+pub use self::unix::*;
diff --git a/src/uu/who/src/platform/openbsd.rs b/src/uu/who/src/platform/openbsd.rs
deleted file mode 100644
index f5871382b11..00000000000
--- a/src/uu/who/src/platform/openbsd.rs
+++ /dev/null
@@ -1,17 +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.
-
-// Specific implementation for OpenBSD: tool unsupported (utmpx not supported)
-
-use crate::uu_app;
-
-use uucore::error::UResult;
-use uucore::translate;
-
-pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    let _matches = uucore::clap_localization::handle_clap_result(uu_app(), args)?;
-    println!("{}", translate!("who-unsupported-openbsd"));
-    Ok(())
-}
diff --git a/src/uu/who/src/who.rs b/src/uu/who/src/who.rs
index e82990b7924..6ca983200e9 100644
--- a/src/uu/who/src/who.rs
+++ b/src/uu/who/src/who.rs
@@ -5,6 +5,14 @@
 
 // spell-checker:ignore (ToDO) runlevel mesg
 
+#![cfg(any(
+    target_vendor = "apple",
+    target_os = "cygwin",
+    target_os = "freebsd",
+    target_os = "linux",
+    target_os = "netbsd"
+))]
+
 use clap::{Arg, ArgAction, Command};
 use uucore::format_usage;
 use uucore::translate;