diff --git a/codex-rs/core/src/state/mod.rs b/codex-rs/core/src/state/mod.rs
index 49a0ad987a..642433a786 100644
--- a/codex-rs/core/src/state/mod.rs
+++ b/codex-rs/core/src/state/mod.rs
@@ -7,4 +7,3 @@ pub(crate) use session::SessionState;
 pub(crate) use turn::ActiveTurn;
 pub(crate) use turn::RunningTask;
 pub(crate) use turn::TaskKind;
-pub(crate) use crate::conversation_history::ResponsesApiChainState;