diff --git a/aws-lc-rs/src/lib.rs b/aws-lc-rs/src/lib.rs
index 84dde4ba147..5e8317fe508 100644
--- a/aws-lc-rs/src/lib.rs
+++ b/aws-lc-rs/src/lib.rs
@@ -103,7 +103,7 @@ extern crate core;
 
 pub mod aead;
 pub mod agreement;
-pub mod buffer;
+mod buffer;
 pub mod constant_time;
 pub mod digest;
 pub mod error;