diff --git a/tokio/src/runtime/park.rs b/tokio/src/runtime/park.rs
index c260b7512be..72988be6c75 100644
--- a/tokio/src/runtime/park.rs
+++ b/tokio/src/runtime/park.rs
@@ -65,12 +65,7 @@ impl ParkThread {
     pub(crate) fn park_timeout(&mut self, duration: Duration) {
         #[cfg(loom)]
         CURRENT_THREAD_PARK_COUNT.with(|count| count.fetch_add(1, SeqCst));
-
-        // Wasm doesn't have threads, so just sleep.
-        #[cfg(not(target_family = "wasm"))]
         self.inner.park_timeout(duration);
-        #[cfg(target_family = "wasm")]
-        std::thread::sleep(duration);
     }
 
     pub(crate) fn shutdown(&mut self) {