diff --git a/modules/libpr0n/src/imgRequestProxy.cpp b/modules/libpr0n/src/imgRequestProxy.cpp
index e898fb012c6b..2f10c7f0d119 100644
--- a/modules/libpr0n/src/imgRequestProxy.cpp
+++ b/modules/libpr0n/src/imgRequestProxy.cpp
@@ -52,7 +52,6 @@
 #include "Image.h"
 #include "ImageErrors.h"
 #include "ImageLogging.h"
-#include "imgLoader.h"
 
 #include "nspr.h"
 
@@ -529,14 +528,6 @@ NS_IMETHODIMP imgRequestProxy::Clone(imgIDecoderObserver* aObserver,
   // assumes that we don't. This will be fixed in bug 580466.
   clone->SyncNotifyListener();
 
-  // It's weird to defer notifications now that we just dispatched
-  // them, but we need to do the latter, and imgCacheValidator demands
-  // the former.
-  if (mOwner->mValidator) {
-    clone->SetNotificationsDeferred(PR_TRUE);
-    mOwner->mValidator->AddProxy(clone);
-  }
-
   return NS_OK;
 }