diff --git a/mozilla/docshell/shistory/public/nsISHistoryListener.idl b/mozilla/docshell/shistory/public/nsISHistoryListener.idl
index b8d3ec139b5..fd2834f174b 100644
--- a/mozilla/docshell/shistory/public/nsISHistoryListener.idl
+++ b/mozilla/docshell/shistory/public/nsISHistoryListener.idl
@@ -40,10 +40,6 @@
 
 interface nsIURI;
 
-%{C++
-#define NS_SHISTORYLISTENER_CONTRACTID "@mozilla.org/browser/shistorylistener;1"
-%}
-
 /**
  * nsISHistoryListener defines the interface one can implement to receive
  * notifications about activities in session history and to be able to
diff --git a/mozilla/embedding/qa/testembed/BrowserView.cpp.mod b/mozilla/embedding/qa/testembed/BrowserView.cpp.mod
index 10cc6a0e028..9d48e520a4a 100644
--- a/mozilla/embedding/qa/testembed/BrowserView.cpp.mod
+++ b/mozilla/embedding/qa/testembed/BrowserView.cpp.mod
@@ -1506,10 +1506,8 @@ void CBrowserView::OnInterfacesNsishistory()
 
    nsCOMPtr<nsISHistory> theSessionHistory(do_CreateInstance(NS_SHISTORY_CONTRACTID));
    nsCOMPtr<nsIHistoryEntry> theHistoryEntry(do_CreateInstance(NS_HISTORYENTRY_CONTRACTID));
-   nsCOMPtr<nsISHistoryListener> theSHListener(do_CreateInstance(NS_SHISTORYLISTENER_CONTRACTID));
    // do_QueryInterface
    // NS_HISTORYENTRY_CONTRACTID
-   // NS_SHISTORYLISTENER_CONTRACTID
 
   
    if (!theSessionHistory)
diff --git a/mozilla/embedding/qa/testembed/nsiHistory.cpp b/mozilla/embedding/qa/testembed/nsiHistory.cpp
index c8977e63d4d..ac55c2e92f0 100644
--- a/mozilla/embedding/qa/testembed/nsiHistory.cpp
+++ b/mozilla/embedding/qa/testembed/nsiHistory.cpp
@@ -98,7 +98,6 @@ void CNsIHistory::OnStartTests(UINT nMenuID)
    //nsCOMPtr<nsIURI> theURI;
    // do_QueryInterface
    // NS_HISTORYENTRY_CONTRACTID
-   // NS_SHISTORYLISTENER_CONTRACTID
 
 	// get Session History through web nav iface
    if (qaWebNav) {