diff --git a/rust-runtime/aws-smithy-types/src/blob.rs b/rust-runtime/aws-smithy-types/src/blob.rs
index 23a782ca74..88f0079bf0 100644
--- a/rust-runtime/aws-smithy-types/src/blob.rs
+++ b/rust-runtime/aws-smithy-types/src/blob.rs
@@ -3,15 +3,19 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#[cfg(all(
-    aws_sdk_unstable,
-    any(feature = "serde-deserialize", feature = "serde-serialize")
-))]
-use crate::base64;
-#[cfg(all(aws_sdk_unstable, feature = "serde-serialize"))]
-use serde::Serialize;
-#[cfg(all(aws_sdk_unstable, feature = "serde-deserialize"))]
-use serde::{de::Visitor, Deserialize};
+
+#[cfg(aws_sdk_unstable)]
+use impl_serde::*;
+#[cfg(aws_sdk_unstable)]
+mod impl_serde {
+    #[cfg(feature = "serde-deserialize")]
+    pub use serde::{de::Visitor, Deserialize};
+    #[cfg(feature = "serde-serialize")]
+    pub use serde::Serialize;
+    #[cfg(any(feature = "serde-deserialize", feature = "serde-serialize"))]
+    pub use crate::base64;
+}
+
 
 /// Binary Blob Type
 ///