diff --git a/tokio/src/runtime/task/harness.rs b/tokio/src/runtime/task/harness.rs
index b4eea2392ca..e7b13484d6b 100644
--- a/tokio/src/runtime/task/harness.rs
+++ b/tokio/src/runtime/task/harness.rs
@@ -441,7 +441,6 @@ enum PollFuture {
 
 /// Cancels the task and store the appropriate error in the stage field.
 fn cancel_task<T: Future>(stage: &CoreStage<T>, id: super::Id) {
-    println!("cancel_task called");
     // Drop the future from a panic guard.
     let res = panic::catch_unwind(panic::AssertUnwindSafe(|| {
         let _task_id_guard = TaskIdGuard::new(id);