diff --git a/codex-rs/config/Cargo.toml b/codex-rs/config/Cargo.toml
index c3a110e8d8..f304471f23 100644
--- a/codex-rs/config/Cargo.toml
+++ b/codex-rs/config/Cargo.toml
@@ -4,6 +4,9 @@ version.workspace = true
 edition.workspace = true
 license.workspace = true
 
+[lib]
+doctest = false
+
 [lints]
 workspace = true
 
diff --git a/codex-rs/config/src/loader.rs b/codex-rs/config/src/loader.rs
index 8756f0c555..8ba51ee594 100644
--- a/codex-rs/config/src/loader.rs
+++ b/codex-rs/config/src/loader.rs
@@ -13,6 +13,7 @@ use std::path::Path;
 #[cfg(windows)]
 use std::path::PathBuf;
 
+#[cfg(unix)]
 pub const SYSTEM_CONFIG_TOML_FILE_UNIX: &str = "/etc/codex/config.toml";
 
 #[cfg(windows)]