diff --git a/src/main/java/com/android/volley/NetworkDispatcher.java b/src/main/java/com/android/volley/NetworkDispatcher.java
index 1775b186..b5712e90 100644
--- a/src/main/java/com/android/volley/NetworkDispatcher.java
+++ b/src/main/java/com/android/volley/NetworkDispatcher.java
@@ -133,7 +133,6 @@ public void run() {
                 }
 
                 // Post the response back.
-                request.markDelivered();
                 mDelivery.postResponse(request, response);
             } catch (VolleyError volleyError) {
                 volleyError.setNetworkTimeMs(SystemClock.elapsedRealtime() - startTimeMs);