diff --git a/mozilla/layout/forms/nsComboboxControlFrame.cpp b/mozilla/layout/forms/nsComboboxControlFrame.cpp
index a5c2c357193..76849fe393b 100644
--- a/mozilla/layout/forms/nsComboboxControlFrame.cpp
+++ b/mozilla/layout/forms/nsComboboxControlFrame.cpp
@@ -268,18 +268,6 @@ nsComboboxControlFrame::~nsComboboxControlFrame()
   NS_IF_RELEASE(mPresContext);
 }
 
-NS_IMETHODIMP
-nsComboboxControlFrame::Destroy(nsIPresContext* aPresContext)
-{
-  nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_FALSE);
-  if (mFormFrame) {
-    mFormFrame->RemoveFormControlFrame(*this);
-    mFormFrame = nsnull;
-  }
-  return nsHTMLContainerFrame::Destroy(aPresContext);
-}
-
-
 //--------------------------------------------------------------
 // Frames are not refcounted, no need to AddRef
 NS_IMETHODIMP
diff --git a/mozilla/layout/html/forms/src/nsComboboxControlFrame.cpp b/mozilla/layout/html/forms/src/nsComboboxControlFrame.cpp
index a5c2c357193..76849fe393b 100644
--- a/mozilla/layout/html/forms/src/nsComboboxControlFrame.cpp
+++ b/mozilla/layout/html/forms/src/nsComboboxControlFrame.cpp
@@ -268,18 +268,6 @@ nsComboboxControlFrame::~nsComboboxControlFrame()
   NS_IF_RELEASE(mPresContext);
 }
 
-NS_IMETHODIMP
-nsComboboxControlFrame::Destroy(nsIPresContext* aPresContext)
-{
-  nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_FALSE);
-  if (mFormFrame) {
-    mFormFrame->RemoveFormControlFrame(*this);
-    mFormFrame = nsnull;
-  }
-  return nsHTMLContainerFrame::Destroy(aPresContext);
-}
-
-
 //--------------------------------------------------------------
 // Frames are not refcounted, no need to AddRef
 NS_IMETHODIMP