diff --git a/mozilla/layout/forms/nsImageControlFrame.cpp b/mozilla/layout/forms/nsImageControlFrame.cpp
index e14ae560383..ceb0d145b78 100644
--- a/mozilla/layout/forms/nsImageControlFrame.cpp
+++ b/mozilla/layout/forms/nsImageControlFrame.cpp
@@ -65,10 +65,6 @@ public:
 
   NS_IMETHOD  QueryInterface(const nsIID& aIID, void** aInstancePtr);
 
-  NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
-                                 nsIAtom*        aListName,
-                                 nsIFrame*       aChildList);
-
   NS_IMETHOD Reflow(nsIPresContext&          aPresContext,
                     nsHTMLReflowMetrics&     aDesiredSize,
                     const nsHTMLReflowState& aReflowState,
@@ -178,14 +174,6 @@ nsrefcnt nsImageControlFrame::Release(void)
   return 1;
 }
 
-NS_IMETHODIMP
-nsImageControlFrame::SetInitialChildList(nsIPresContext& aPresContext,
-                                         nsIAtom*        aListName,
-                                         nsIFrame*       aChildList)
-{
-  return NS_OK;
-}
-
 NS_METHOD
 nsImageControlFrame::Reflow(nsIPresContext&         aPresContext,
                            nsHTMLReflowMetrics&     aDesiredSize,
diff --git a/mozilla/layout/html/forms/src/nsImageControlFrame.cpp b/mozilla/layout/html/forms/src/nsImageControlFrame.cpp
index e14ae560383..ceb0d145b78 100644
--- a/mozilla/layout/html/forms/src/nsImageControlFrame.cpp
+++ b/mozilla/layout/html/forms/src/nsImageControlFrame.cpp
@@ -65,10 +65,6 @@ public:
 
   NS_IMETHOD  QueryInterface(const nsIID& aIID, void** aInstancePtr);
 
-  NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
-                                 nsIAtom*        aListName,
-                                 nsIFrame*       aChildList);
-
   NS_IMETHOD Reflow(nsIPresContext&          aPresContext,
                     nsHTMLReflowMetrics&     aDesiredSize,
                     const nsHTMLReflowState& aReflowState,
@@ -178,14 +174,6 @@ nsrefcnt nsImageControlFrame::Release(void)
   return 1;
 }
 
-NS_IMETHODIMP
-nsImageControlFrame::SetInitialChildList(nsIPresContext& aPresContext,
-                                         nsIAtom*        aListName,
-                                         nsIFrame*       aChildList)
-{
-  return NS_OK;
-}
-
 NS_METHOD
 nsImageControlFrame::Reflow(nsIPresContext&         aPresContext,
                            nsHTMLReflowMetrics&     aDesiredSize,