diff --git a/server/src/llm/providers/claude_code.rs b/server/src/llm/providers/claude_code.rs
index 457ed5c..7721e3f 100644
--- a/server/src/llm/providers/claude_code.rs
+++ b/server/src/llm/providers/claude_code.rs
@@ -150,7 +150,7 @@ fn run_pty_session(
     user_message: &str,
     cwd: &str,
     resume_session_id: Option<&str>,
-    system_prompt: Option<&str>,
+    _system_prompt: Option<&str>,
     cancelled: Arc<AtomicBool>,
     token_tx: tokio::sync::mpsc::UnboundedSender<String>,
     thinking_tx: tokio::sync::mpsc::UnboundedSender<String>,