diff --git a/codex-rs/core/src/thread_manager.rs b/codex-rs/core/src/thread_manager.rs
index 5a00027fda..35c1bcc99b 100644
--- a/codex-rs/core/src/thread_manager.rs
+++ b/codex-rs/core/src/thread_manager.rs
@@ -869,12 +869,7 @@ fn snapshot_fork_history(
     snapshot_mode: ForkSnapshotMode,
 ) -> InitialHistory {
     match (history, snapshot_mode) {
-        (InitialHistory::New, ForkSnapshotMode::Committed) => InitialHistory::New,
-        (InitialHistory::New, ForkSnapshotMode::Interrupted) => {
-            InitialHistory::Forked(vec![RolloutItem::ResponseItem(
-                interrupted_turn_history_marker(),
-            )])
-        }
+        (InitialHistory::New, _) => InitialHistory::New,
         (InitialHistory::Forked(history), ForkSnapshotMode::Committed) => {
             InitialHistory::Forked(history)
         }
diff --git a/codex-rs/core/src/thread_manager_tests.rs b/codex-rs/core/src/thread_manager_tests.rs
index 70a96726cb..57228a1821 100644
--- a/codex-rs/core/src/thread_manager_tests.rs
+++ b/codex-rs/core/src/thread_manager_tests.rs
@@ -210,9 +210,7 @@ fn interrupted_fork_snapshot_appends_interrupt_marker() {
                 .get_rollout_items()
         )
         .expect("serialize interrupted empty fork history"),
-        serde_json::to_value(vec![RolloutItem::ResponseItem(
-            interrupted_turn_history_marker(),
-        )])
-        .expect("serialize expected interrupted empty fork history"),
+        serde_json::to_value(Vec::<RolloutItem>::new())
+            .expect("serialize expected interrupted empty fork history"),
     );
 }