diff --git a/mozilla/layout/html/base/src/nsHTMLIIDs.cpp b/mozilla/layout/html/base/src/nsHTMLIIDs.cpp
index 16b577d4fd9..b9b82175feb 100644
--- a/mozilla/layout/html/base/src/nsHTMLIIDs.cpp
+++ b/mozilla/layout/html/base/src/nsHTMLIIDs.cpp
@@ -19,10 +19,8 @@
 #include "nsIHTMLContent.h"
 #include "nsIAbsoluteItems.h"
 #include "nsIAnchoredItems.h"
-#include "nsIFloaterContainer.h"
 #include "nsIHTMLReflow.h"
 
 const nsIID kIAbsoluteItemsIID = NS_IABSOLUTE_ITEMS_IID;
-const nsIID kIFloaterContainerIID = NS_IFLOATER_CONTAINER_IID;
 const nsIID kIHTMLContentIID = NS_IHTMLCONTENT_IID;
 const nsIID kIHTMLReflowIID = NS_IHTMLREFLOW_IID;
diff --git a/mozilla/layout/html/base/src/nsHTMLIIDs.h b/mozilla/layout/html/base/src/nsHTMLIIDs.h
index 2c9fd0480c6..74e918d5438 100644
--- a/mozilla/layout/html/base/src/nsHTMLIIDs.h
+++ b/mozilla/layout/html/base/src/nsHTMLIIDs.h
@@ -20,10 +20,7 @@
 
 #include "nsISupports.h"
 
-extern const nsIID kBlockFrameCID;              // XXX temporary
-
 extern const nsIID kIAbsoluteItemsIID;
-extern const nsIID kIFloaterContainerIID;
 extern const nsIID kIHTMLContentIID;
 extern const nsIID kIRunaroundIID;
 extern const nsIID kIHTMLReflowIID;