diff --git a/src/lib.rs b/src/lib.rs
index 72681f7..a8cdedb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,6 +25,7 @@ extern crate rand;
 #[cfg(feature = "rand")]
 mod random_state;
 
+#[cfg(feature = "std")]
 mod seeded_state;
 
 use core::convert::TryInto;
@@ -46,6 +47,7 @@ pub type FxHashSet<V> = HashSet<V, FxBuildHasher>;
 #[cfg(feature = "rand")]
 pub use random_state::{FxHashMapRand, FxHashSetRand, FxRandomState};
 
+#[cfg(feature = "std")]
 pub use seeded_state::{FxHashMapSeed, FxHashSetSeed, FxSeededState};
 
 /// A speedy hash algorithm for use within rustc. The hashmap in liballoc