diff --git a/src/query/src/query_engine/datafusion/adapter.rs b/src/query/src/query_engine/datafusion/adapter.rs
index f6c10c9ba1..32ef992949 100644
--- a/src/query/src/query_engine/datafusion/adapter.rs
+++ b/src/query/src/query_engine/datafusion/adapter.rs
@@ -118,9 +118,6 @@ impl Debug for ExecutionPlanAdapter {
     }
 }
 
-unsafe impl Send for ExecutionPlanAdapter {}
-unsafe impl Sync for ExecutionPlanAdapter {}
-
 #[async_trait::async_trait]
 impl ExecutionPlan for ExecutionPlanAdapter {
     fn as_any(&self) -> &dyn Any {