diff --git a/serde/src/de/impls.rs b/serde/src/de/impls.rs
index 340bd0f7..2946dcfe 100644
--- a/serde/src/de/impls.rs
+++ b/serde/src/de/impls.rs
@@ -55,6 +55,7 @@ use de::{Deserialize, Deserializer, EnumVisitor, Error, MapVisitor, SeqVisitor,
          VariantVisitor, Visitor};
 use de::from_primitive::FromPrimitive;
 
+#[cfg(feature = "std")]
 use bytes::ByteBuf;
 
 ///////////////////////////////////////////////////////////////////////////////