diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs
index c97f8e529a2a8..f627eab798ffe 100644
--- a/src/libcore/lib.rs
+++ b/src/libcore/lib.rs
@@ -170,3 +170,10 @@ pub mod fmt;
 
 // note: does not need to be public
 mod tuple;
+
+/* Raw OS-specific types for the current platform/architecture */
+
+pub mod os {
+    #![allow(missing_docs, bad_style)]
+    pub mod raw;
+}
diff --git a/src/libstd/os/raw.rs b/src/libcore/os/raw.rs
similarity index 100%
rename from src/libstd/os/raw.rs
rename to src/libcore/os/raw.rs
diff --git a/src/libstd/os/mod.rs b/src/libstd/os/mod.rs
index 84b7d9fbeec93..26aefa5f4ef63 100644
--- a/src/libstd/os/mod.rs
+++ b/src/libstd/os/mod.rs
@@ -31,4 +31,5 @@ pub use sys::ext as windows;
 #[cfg(target_os = "netbsd")]   pub mod netbsd;
 #[cfg(target_os = "openbsd")]   pub mod openbsd;
 
-pub mod raw;
+#[stable(feature = "raw_os", since = "1.1.0")]
+pub use core::os::raw;