diff --git a/modules/plugin/base/src/nsPluginHost.cpp b/modules/plugin/base/src/nsPluginHost.cpp
index 0ff937838c7..8103fb7e11c 100644
--- a/modules/plugin/base/src/nsPluginHost.cpp
+++ b/modules/plugin/base/src/nsPluginHost.cpp
@@ -635,70 +635,6 @@ nsPluginStreamListenerPeer::SetStreamOffset(PRInt32 value)
   return NS_OK;
 }
 
-class nsPluginCacheListener : public nsIStreamListener
-{
-public:
-  nsPluginCacheListener(nsPluginStreamListenerPeer* aListener);
-  virtual ~nsPluginCacheListener();
-
-  NS_DECL_ISUPPORTS
-  NS_DECL_NSIREQUESTOBSERVER
-  NS_DECL_NSISTREAMLISTENER
-
-private:
-  nsPluginStreamListenerPeer* mListener;
-};
-
-nsPluginCacheListener::nsPluginCacheListener(nsPluginStreamListenerPeer* aListener)
-{
-  mListener = aListener;
-  NS_ADDREF(mListener);
-}
-
-nsPluginCacheListener::~nsPluginCacheListener()
-{
-  NS_IF_RELEASE(mListener);
-}
-
-NS_IMPL_ISUPPORTS1(nsPluginCacheListener, nsIStreamListener)
-
-NS_IMETHODIMP
-nsPluginCacheListener::OnStartRequest(nsIRequest *request, nsISupports* ctxt)
-{
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-nsPluginCacheListener::OnDataAvailable(nsIRequest *request, nsISupports* ctxt,
-                                       nsIInputStream* aIStream,
-                                       PRUint32 sourceOffset,
-                                       PRUint32 aLength)
-{
-
-  PRUint32 readlen;
-  char* buffer = (char*) PR_Malloc(aLength);
-
-  // if we don't read from the stream, OnStopRequest will never be called
-  if (!buffer)
-    return NS_ERROR_OUT_OF_MEMORY;
-
-  nsresult rv = aIStream->Read(buffer, aLength, &readlen);
-
-  NS_ASSERTION(aLength == readlen, "nsCacheListener->OnDataAvailable: "
-               "readlen != aLength");
-
-  PR_Free(buffer);
-  return rv;
-}
-
-NS_IMETHODIMP
-nsPluginCacheListener::OnStopRequest(nsIRequest *request,
-                                     nsISupports* aContext,
-                                     nsresult aStatus)
-{
-  return NS_OK;
-}
-
 nsPluginStreamListenerPeer::nsPluginStreamListenerPeer()
 {
   mStreamType = NP_NORMAL;