diff --git a/actix-server/src/worker.rs b/actix-server/src/worker.rs
index cb99c99d..90f057d2 100644
--- a/actix-server/src/worker.rs
+++ b/actix-server/src/worker.rs
@@ -125,6 +125,8 @@ impl WorkerAvailability {
 ///
 /// Worker accepts Socket objects via unbounded channel and starts stream processing.
 pub(crate) struct ServerWorker {
+    // UnboundedReceiver<Conn> should always the first field.
+    // It must be dropped as soon as ServerWorker dropping.
     rx: UnboundedReceiver<Conn>,
     rx2: UnboundedReceiver<Stop>,
     services: Box<[WorkerService]>,
@@ -370,9 +372,7 @@ impl Default for WorkerState {
 
 impl Drop for ServerWorker {
     fn drop(&mut self) {
-        /// Close channel on drop.
-        self.rx.close();
-        /// Stop Arbiter Self runs on on drop.
+        // Stop Arbiter Self runs on on drop.
         Arbiter::current().stop();
     }
 }