diff --git a/codex-rs/protocol/src/protocol.rs b/codex-rs/protocol/src/protocol.rs
index 918dfb1f8f..192962316c 100644
--- a/codex-rs/protocol/src/protocol.rs
+++ b/codex-rs/protocol/src/protocol.rs
@@ -15,7 +15,6 @@ use crate::config_types::ReasoningSummary as ReasoningSummaryConfig;
 use crate::custom_prompts::CustomPrompt;
 use crate::mcp_protocol::ConversationId;
 use crate::message_history::HistoryEntry;
-use crate::models::ResponseItem;
 use crate::num_format::format_with_separators;
 use crate::parse_command::ParsedCommand;
 use crate::plan_tool::UpdatePlanArgs;