diff --git a/crates/queryd/src/service.rs b/crates/queryd/src/service.rs
index 7f0028c..ae3c3eb 100644
--- a/crates/queryd/src/service.rs
+++ b/crates/queryd/src/service.rs
@@ -12,6 +12,8 @@ use serde::{Deserialize, Serialize};
 use crate::context::QueryEngine;
 use crate::delta;
 use crate::paged::ResultStore;
+use tracing;
+use std::collections::HashSet;
 
 #[derive(Clone)]
 pub struct QueryState {