diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index 0d99dec0e0f..1d758d064ca 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -1185,7 +1185,6 @@ public:
   NS_IMETHOD HandleDOMEventWithTarget(nsIContent* aTargetContent,
                             nsEvent* aEvent,
                             nsEventStatus* aStatus);
-  NS_IMETHOD Scrolled(nsIView *aView);
   NS_IMETHOD ResizeReflow(nsIView *aView, nscoord aWidth, nscoord aHeight);
 
   //nsIFocusTracker interface
@@ -6434,26 +6433,6 @@ PresShell::HandleDOMEventWithTarget(nsIContent* aTargetContent, nsEvent* aEvent,
   return NS_OK;
 }
 
-NS_IMETHODIMP
-PresShell::Scrolled(nsIView *aView)
-{
-  void*     clientData;
-  nsIFrame* frame;
-  nsresult  rv;
-  
-  NS_ASSERTION(!(nsnull == aView), "null view");
-
-  aView->GetClientData(clientData);
-  frame = (nsIFrame *)clientData;
-
-  if (nsnull != frame)
-    rv = frame->Scrolled(aView);
-  else
-    rv = NS_OK;
-
-  return rv;
-}
-
 NS_IMETHODIMP
 PresShell::ResizeReflow(nsIView *aView, nscoord aWidth, nscoord aHeight)
 {
diff --git a/layout/base/public/nsIFrame.h b/layout/base/public/nsIFrame.h
index 9d80bf53338..87878fd522c 100644
--- a/layout/base/public/nsIFrame.h
+++ b/layout/base/public/nsIFrame.h
@@ -1044,12 +1044,6 @@ public:
    */
   NS_IMETHOD  IsPercentageBase(PRBool& aBase) const = 0;
 
-  /**
-   * called when the frame has been scrolled to a new
-   * position. only called for frames with views.
-   */
-  NS_IMETHOD  Scrolled(nsIView *aView) = 0;
-
   /** Selection related calls
    */
   /** 
diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp
index 5be4a897223..8e53f3fc357 100644
--- a/layout/generic/nsFrame.cpp
+++ b/layout/generic/nsFrame.cpp
@@ -2787,11 +2787,6 @@ NS_IMETHODIMP nsFrame::IsPercentageBase(PRBool& aBase) const
   return NS_OK;
 }
 
-NS_IMETHODIMP nsFrame::Scrolled(nsIView *aView)
-{
-  return NS_OK;
-}
-
 PRInt32 nsFrame::ContentIndexInContainer(const nsIFrame* aFrame)
 {
   PRInt32     result = -1;
diff --git a/layout/generic/nsFrame.h b/layout/generic/nsFrame.h
index 65bf270b775..2865416919c 100644
--- a/layout/generic/nsFrame.h
+++ b/layout/generic/nsFrame.h
@@ -247,7 +247,6 @@ public:
   NS_IMETHOD  GetWindow(nsIPresContext* aPresContext, nsIWidget**) const;
   NS_IMETHOD  GetFrameType(nsIAtom** aType) const;
   NS_IMETHOD  IsPercentageBase(PRBool& aBase) const;
-  NS_IMETHOD  Scrolled(nsIView *aView);
 #ifdef NS_DEBUG
   NS_IMETHOD  List(nsIPresContext* aPresContext, FILE* out, PRInt32 aIndent) const;
   NS_IMETHOD  GetFrameName(nsAString& aResult) const;
diff --git a/layout/generic/nsIFrame.h b/layout/generic/nsIFrame.h
index 9d80bf53338..87878fd522c 100644
--- a/layout/generic/nsIFrame.h
+++ b/layout/generic/nsIFrame.h
@@ -1044,12 +1044,6 @@ public:
    */
   NS_IMETHOD  IsPercentageBase(PRBool& aBase) const = 0;
 
-  /**
-   * called when the frame has been scrolled to a new
-   * position. only called for frames with views.
-   */
-  NS_IMETHOD  Scrolled(nsIView *aView) = 0;
-
   /** Selection related calls
    */
   /** 
diff --git a/layout/generic/nsObjectFrame.cpp b/layout/generic/nsObjectFrame.cpp
index d245e9a9b72..c065f363ee7 100644
--- a/layout/generic/nsObjectFrame.cpp
+++ b/layout/generic/nsObjectFrame.cpp
@@ -1914,12 +1914,6 @@ nsObjectFrame::HandleEvent(nsIPresContext* aPresContext,
 	return rv;
 }
 
-nsresult
-nsObjectFrame::Scrolled(nsIView *aView)
-{
-  return NS_OK;
-}
-
 nsresult
 nsObjectFrame::SetFullURL(nsIURI* aURL)
 {
diff --git a/layout/generic/nsObjectFrame.h b/layout/generic/nsObjectFrame.h
index d22c1eae0d7..3e89c4b7bfe 100644
--- a/layout/generic/nsObjectFrame.h
+++ b/layout/generic/nsObjectFrame.h
@@ -84,7 +84,6 @@ public:
                           nsGUIEvent*     aEvent,
                           nsEventStatus*  aEventStatus);
 
-  NS_IMETHOD Scrolled(nsIView *aView);
   NS_IMETHOD GetFrameType(nsIAtom** aType) const;
   
   virtual PRBool SupportsVisibilityHidden() { return PR_FALSE; }
diff --git a/layout/html/base/src/nsFrame.cpp b/layout/html/base/src/nsFrame.cpp
index 5be4a897223..8e53f3fc357 100644
--- a/layout/html/base/src/nsFrame.cpp
+++ b/layout/html/base/src/nsFrame.cpp
@@ -2787,11 +2787,6 @@ NS_IMETHODIMP nsFrame::IsPercentageBase(PRBool& aBase) const
   return NS_OK;
 }
 
-NS_IMETHODIMP nsFrame::Scrolled(nsIView *aView)
-{
-  return NS_OK;
-}
-
 PRInt32 nsFrame::ContentIndexInContainer(const nsIFrame* aFrame)
 {
   PRInt32     result = -1;
diff --git a/layout/html/base/src/nsFrame.h b/layout/html/base/src/nsFrame.h
index 65bf270b775..2865416919c 100644
--- a/layout/html/base/src/nsFrame.h
+++ b/layout/html/base/src/nsFrame.h
@@ -247,7 +247,6 @@ public:
   NS_IMETHOD  GetWindow(nsIPresContext* aPresContext, nsIWidget**) const;
   NS_IMETHOD  GetFrameType(nsIAtom** aType) const;
   NS_IMETHOD  IsPercentageBase(PRBool& aBase) const;
-  NS_IMETHOD  Scrolled(nsIView *aView);
 #ifdef NS_DEBUG
   NS_IMETHOD  List(nsIPresContext* aPresContext, FILE* out, PRInt32 aIndent) const;
   NS_IMETHOD  GetFrameName(nsAString& aResult) const;
diff --git a/layout/html/base/src/nsObjectFrame.cpp b/layout/html/base/src/nsObjectFrame.cpp
index d245e9a9b72..c065f363ee7 100644
--- a/layout/html/base/src/nsObjectFrame.cpp
+++ b/layout/html/base/src/nsObjectFrame.cpp
@@ -1914,12 +1914,6 @@ nsObjectFrame::HandleEvent(nsIPresContext* aPresContext,
 	return rv;
 }
 
-nsresult
-nsObjectFrame::Scrolled(nsIView *aView)
-{
-  return NS_OK;
-}
-
 nsresult
 nsObjectFrame::SetFullURL(nsIURI* aURL)
 {
diff --git a/layout/html/base/src/nsObjectFrame.h b/layout/html/base/src/nsObjectFrame.h
index d22c1eae0d7..3e89c4b7bfe 100644
--- a/layout/html/base/src/nsObjectFrame.h
+++ b/layout/html/base/src/nsObjectFrame.h
@@ -84,7 +84,6 @@ public:
                           nsGUIEvent*     aEvent,
                           nsEventStatus*  aEventStatus);
 
-  NS_IMETHOD Scrolled(nsIView *aView);
   NS_IMETHOD GetFrameType(nsIAtom** aType) const;
   
   virtual PRBool SupportsVisibilityHidden() { return PR_FALSE; }
diff --git a/layout/html/base/src/nsPresShell.cpp b/layout/html/base/src/nsPresShell.cpp
index 0d99dec0e0f..1d758d064ca 100644
--- a/layout/html/base/src/nsPresShell.cpp
+++ b/layout/html/base/src/nsPresShell.cpp
@@ -1185,7 +1185,6 @@ public:
   NS_IMETHOD HandleDOMEventWithTarget(nsIContent* aTargetContent,
                             nsEvent* aEvent,
                             nsEventStatus* aStatus);
-  NS_IMETHOD Scrolled(nsIView *aView);
   NS_IMETHOD ResizeReflow(nsIView *aView, nscoord aWidth, nscoord aHeight);
 
   //nsIFocusTracker interface
@@ -6434,26 +6433,6 @@ PresShell::HandleDOMEventWithTarget(nsIContent* aTargetContent, nsEvent* aEvent,
   return NS_OK;
 }
 
-NS_IMETHODIMP
-PresShell::Scrolled(nsIView *aView)
-{
-  void*     clientData;
-  nsIFrame* frame;
-  nsresult  rv;
-  
-  NS_ASSERTION(!(nsnull == aView), "null view");
-
-  aView->GetClientData(clientData);
-  frame = (nsIFrame *)clientData;
-
-  if (nsnull != frame)
-    rv = frame->Scrolled(aView);
-  else
-    rv = NS_OK;
-
-  return rv;
-}
-
 NS_IMETHODIMP
 PresShell::ResizeReflow(nsIView *aView, nscoord aWidth, nscoord aHeight)
 {
diff --git a/view/public/nsIViewObserver.h b/view/public/nsIViewObserver.h
index 2674193cf55..18c701282aa 100644
--- a/view/public/nsIViewObserver.h
+++ b/view/public/nsIViewObserver.h
@@ -78,11 +78,6 @@ public:
                          PRBool          aForceHandle,
                          PRBool&         aHandled) = 0;
 
-  /* called when the view has been repositioned due to scrolling
-   * @return error status
-   */
-  NS_IMETHOD Scrolled(nsIView * aView) = 0;
-
   /* called when the view has been resized and the
    * content within the view needs to be reflowed.
    * @param aWidth - new width of view