diff --git a/codex-rs/app-server/src/thread_state.rs b/codex-rs/app-server/src/thread_state.rs
index 95e92bfbe0..830e2a0f1f 100644
--- a/codex-rs/app-server/src/thread_state.rs
+++ b/codex-rs/app-server/src/thread_state.rs
@@ -68,7 +68,6 @@ pub(crate) struct TurnSummary {
     pub(crate) last_error: Option<TurnError>,
 }
 
-#[derive(Clone)]
 pub(crate) struct PendingTerminalPlanCleanup {
     pub(crate) turn_id: String,
     pub(crate) plan_update: UpdatePlanArgs,