diff --git a/src/uucore/lib.rs b/src/uucore/lib.rs
index adbe7fe80..17fd1071f 100644
--- a/src/uucore/lib.rs
+++ b/src/uucore/lib.rs
@@ -4,10 +4,11 @@ extern crate time;
 #[macro_use]
 mod macros;
 
-pub mod c_types;
 pub mod fs;
 pub mod parse_time;
-pub mod process;
+
+#[cfg(unix)] pub mod c_types;
+#[cfg(unix)] pub mod process;
 #[cfg(unix)] pub mod signals;
 #[cfg(unix)] pub mod utmpx;