diff --git a/src/frontend/src/optimizer/plan_node/stream_exchange.rs b/src/frontend/src/optimizer/plan_node/stream_exchange.rs
index 774de35dfc41d..d42f9a9392b41 100644
--- a/src/frontend/src/optimizer/plan_node/stream_exchange.rs
+++ b/src/frontend/src/optimizer/plan_node/stream_exchange.rs
@@ -43,7 +43,6 @@ impl StreamExchange {
         } else {
             MonotonicityMap::new()
         };
-        println!("input :{:?}", input);
         assert!(!input.schema().is_empty());
         let base = PlanBase::new_stream(
             input.ctx(),