diff --git a/codex-rs/core/src/codex.rs b/codex-rs/core/src/codex.rs
index 62a5860643..be7807afd1 100644
--- a/codex-rs/core/src/codex.rs
+++ b/codex-rs/core/src/codex.rs
@@ -5,6 +5,8 @@ use std::path::Path;
 use std::path::PathBuf;
 use std::sync::Arc;
 use std::sync::atomic::AtomicU64;
+use std::time::SystemTime;
+use std::time::UNIX_EPOCH;
 
 use crate::AuthManager;
 use crate::CodexAuth;