diff --git a/content/html/content/src/HTMLTableElement.cpp b/content/html/content/src/HTMLTableElement.cpp
index 8737357da33a..eb73744963af 100644
--- a/content/html/content/src/HTMLTableElement.cpp
+++ b/content/html/content/src/HTMLTableElement.cpp
@@ -344,219 +344,6 @@ NS_IMPL_ELEMENT_CLONE(HTMLTableElement)
 // in fact, they are integers or they are meaningless.  so we store them
 // here as ints.
 
-NS_IMETHODIMP
-HTMLTableElement::SetAlign(const nsAString& aAlign)
-{
-  ErrorResult rv;
-  SetAlign(aAlign, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetAlign(nsAString& aAlign)
-{
-  nsString align;
-  GetAlign(align);
-  aAlign = align;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetBgColor(const nsAString& aBgColor)
-{
-  ErrorResult rv;
-  SetBgColor(aBgColor, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetBgColor(nsAString& aBgColor)
-{
-  nsString bgColor;
-  GetBgColor(bgColor);
-  aBgColor = bgColor;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetBorder(const nsAString& aBorder)
-{
-  ErrorResult rv;
-  SetBorder(aBorder, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetBorder(nsAString& aBorder)
-{
-  nsString border;
-  GetBorder(border);
-  aBorder = border;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetCellPadding(const nsAString& aCellPadding)
-{
-  ErrorResult rv;
-  SetCellPadding(aCellPadding, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetCellPadding(nsAString& aCellPadding)
-{
-  nsString cellPadding;
-  GetCellPadding(cellPadding);
-  aCellPadding = cellPadding;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetCellSpacing(const nsAString& aCellSpacing)
-{
-  ErrorResult rv;
-  SetCellSpacing(aCellSpacing, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetCellSpacing(nsAString& aCellSpacing)
-{
-  nsString cellSpacing;
-  GetCellSpacing(cellSpacing);
-  aCellSpacing = cellSpacing;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetFrame(const nsAString& aFrame)
-{
-  ErrorResult rv;
-  SetFrame(aFrame, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetFrame(nsAString& aFrame)
-{
-  nsString frame;
-  GetFrame(frame);
-  aFrame = frame;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetRules(const nsAString& aRules)
-{
-  ErrorResult rv;
-  SetRules(aRules, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetRules(nsAString& aRules)
-{
-  nsString rules;
-  GetRules(rules);
-  aRules = rules;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetSummary(const nsAString& aSummary)
-{
-  ErrorResult rv;
-  SetSummary(aSummary, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetSummary(nsAString& aSummary)
-{
-  nsString summary;
-  GetSummary(summary);
-  aSummary = summary;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetWidth(const nsAString& aWidth)
-{
-  ErrorResult rv;
-  SetWidth(aWidth, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetWidth(nsAString& aWidth)
-{
-  nsString width;
-  GetWidth(width);
-  aWidth = width;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetCaption(nsIDOMHTMLTableCaptionElement** aValue)
-{
-  nsCOMPtr<nsIDOMHTMLTableCaptionElement> caption = GetCaption();
-  caption.forget(aValue);
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetCaption(nsIDOMHTMLTableCaptionElement* aValue)
-{
-  HTMLTableCaptionElement* caption =
-    static_cast<HTMLTableCaptionElement*>(aValue);
-  SetCaption(caption);
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetTHead(nsIDOMHTMLTableSectionElement** aValue)
-{
-  NS_IF_ADDREF(*aValue = GetTHead());
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetTHead(nsIDOMHTMLTableSectionElement* aValue)
-{
-  HTMLTableSectionElement* section =
-    static_cast<HTMLTableSectionElement*>(aValue);
-  ErrorResult rv;
-  SetTHead(section, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetTFoot(nsIDOMHTMLTableSectionElement** aValue)
-{
-  NS_IF_ADDREF(*aValue = GetTFoot());
-
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-HTMLTableElement::SetTFoot(nsIDOMHTMLTableSectionElement* aValue)
-{
-  HTMLTableSectionElement* section =
-    static_cast<HTMLTableSectionElement*>(aValue);
-  ErrorResult rv;
-  SetTFoot(section, rv);
-  return rv.ErrorCode();
-}
-
-NS_IMETHODIMP
-HTMLTableElement::GetRows(nsIDOMHTMLCollection** aValue)
-{
-  NS_ADDREF(*aValue = Rows());
-  return NS_OK;
-}
-
 nsIHTMLCollection*
 HTMLTableElement::Rows()
 {
@@ -567,13 +354,6 @@ HTMLTableElement::Rows()
   return mRows;
 }
 
-NS_IMETHODIMP
-HTMLTableElement::GetTBodies(nsIDOMHTMLCollection** aValue)
-{
-  NS_ADDREF(*aValue = TBodies());
-  return NS_OK;
-}
-
 nsIHTMLCollection*
 HTMLTableElement::TBodies()
 {
@@ -610,14 +390,7 @@ HTMLTableElement::CreateTHead()
   return head.forget();
 }
 
-NS_IMETHODIMP
-HTMLTableElement::CreateTHead(nsIDOMHTMLElement** aValue)
-{
-  nsRefPtr<nsGenericHTMLElement> thead = CreateTHead();
-  return thead ? CallQueryInterface(thead, aValue) : NS_OK;
-}
-
-NS_IMETHODIMP
+void
 HTMLTableElement::DeleteTHead()
 {
   HTMLTableSectionElement* tHead = GetTHead();
@@ -626,8 +399,6 @@ HTMLTableElement::DeleteTHead()
     nsINode::RemoveChild(*tHead, rv);
     MOZ_ASSERT(!rv.Failed());
   }
-
-  return NS_OK;
 }
 
 already_AddRefed<nsGenericHTMLElement>
@@ -650,14 +421,7 @@ HTMLTableElement::CreateTFoot()
   return foot.forget();
 }
 
-NS_IMETHODIMP
-HTMLTableElement::CreateTFoot(nsIDOMHTMLElement** aValue)
-{
-  nsRefPtr<nsGenericHTMLElement> tfoot = CreateTFoot();
-  return tfoot ? CallQueryInterface(tfoot, aValue) : NS_OK;
-}
-
-NS_IMETHODIMP
+void
 HTMLTableElement::DeleteTFoot()
 {
   HTMLTableSectionElement* tFoot = GetTFoot();
@@ -666,8 +430,6 @@ HTMLTableElement::DeleteTFoot()
     nsINode::RemoveChild(*tFoot, rv);
     MOZ_ASSERT(!rv.Failed());
   }
-
-  return NS_OK;
 }
 
 already_AddRefed<nsGenericHTMLElement>
@@ -690,14 +452,7 @@ HTMLTableElement::CreateCaption()
   return caption.forget();
 }
 
-NS_IMETHODIMP
-HTMLTableElement::CreateCaption(nsIDOMHTMLElement** aValue)
-{
-  nsRefPtr<nsGenericHTMLElement> caption = CreateCaption();
-  return caption ? CallQueryInterface(caption, aValue) : NS_OK;
-}
-
-NS_IMETHODIMP
+void
 HTMLTableElement::DeleteCaption()
 {
   HTMLTableCaptionElement* caption = GetCaption();
@@ -706,8 +461,6 @@ HTMLTableElement::DeleteCaption()
     nsINode::RemoveChild(*caption, rv);
     MOZ_ASSERT(!rv.Failed());
   }
-
-  return NS_OK;
 }
 
 already_AddRefed<nsGenericHTMLElement>
@@ -743,7 +496,7 @@ already_AddRefed<nsGenericHTMLElement>
 HTMLTableElement::InsertRow(int32_t aIndex, ErrorResult& aError)
 {
   /* get the ref row at aIndex
-     if there is one, 
+     if there is one,
        get its parent
        insert the new row just before the ref row
      else
@@ -848,14 +601,6 @@ HTMLTableElement::InsertRow(int32_t aIndex, ErrorResult& aError)
   return newRow.forget();
 }
 
-NS_IMETHODIMP
-HTMLTableElement::InsertRow(int32_t aIndex, nsIDOMHTMLElement** aValue)
-{
-  ErrorResult rv;
-  nsRefPtr<nsGenericHTMLElement> newRow = InsertRow(aIndex, rv);
-  return rv.Failed() ? rv.ErrorCode() : CallQueryInterface(newRow, aValue);
-}
-
 void
 HTMLTableElement::DeleteRow(int32_t aIndex, ErrorResult& aError)
 {
@@ -886,14 +631,6 @@ HTMLTableElement::DeleteRow(int32_t aIndex, ErrorResult& aError)
   row->RemoveFromParent();
 }
 
-NS_IMETHODIMP
-HTMLTableElement::DeleteRow(int32_t aValue)
-{
-  ErrorResult rv;
-  DeleteRow(aValue, rv);
-  return rv.ErrorCode();
-}
-
 static const nsAttrValue::EnumTable kFrameTable[] = {
   { "void",   NS_STYLE_TABLE_FRAME_NONE },
   { "above",  NS_STYLE_TABLE_FRAME_ABOVE },
diff --git a/content/html/content/src/HTMLTableElement.h b/content/html/content/src/HTMLTableElement.h
index 0f158fe3c064..623c730374ba 100644
--- a/content/html/content/src/HTMLTableElement.h
+++ b/content/html/content/src/HTMLTableElement.h
@@ -39,9 +39,6 @@ public:
   // nsIDOMHTMLElement
   NS_FORWARD_NSIDOMHTMLELEMENT_TO_GENERIC
 
-  // nsIDOMHTMLTableElement
-  NS_DECL_NSIDOMHTMLTABLEELEMENT
-
   HTMLTableCaptionElement* GetCaption() const
   {
     return static_cast<HTMLTableCaptionElement*>(GetChild(nsGkAtoms::caption));
@@ -54,8 +51,13 @@ public:
       nsINode::AppendChild(*aCaption, rv);
     }
   }
+
+  void DeleteTFoot();
+
   already_AddRefed<nsGenericHTMLElement> CreateCaption();
 
+  void DeleteCaption();
+
   HTMLTableSectionElement* GetTHead() const
   {
     return static_cast<HTMLTableSectionElement*>(GetChild(nsGkAtoms::thead));
@@ -74,6 +76,8 @@ public:
   }
   already_AddRefed<nsGenericHTMLElement> CreateTHead();
 
+  void DeleteTHead();
+
   HTMLTableSectionElement* GetTFoot() const
   {
     return static_cast<HTMLTableSectionElement*>(GetChild(nsGkAtoms::tfoot));
diff --git a/dom/interfaces/html/nsIDOMHTMLTableElement.idl b/dom/interfaces/html/nsIDOMHTMLTableElement.idl
index f88e0359d9aa..4d16be2fee4b 100644
--- a/dom/interfaces/html/nsIDOMHTMLTableElement.idl
+++ b/dom/interfaces/html/nsIDOMHTMLTableElement.idl
@@ -19,39 +19,4 @@
 [scriptable, uuid(1a7bf1f1-5d6c-4200-9ceb-455874322315)]
 interface nsIDOMHTMLTableElement : nsIDOMHTMLElement
 {
-  // Modified in DOM Level 2:
-           attribute nsIDOMHTMLTableCaptionElement caption;
-                                             // raises(DOMException) on setting
-
-  // Modified in DOM Level 2:
-           attribute nsIDOMHTMLTableSectionElement tHead;
-                                             // raises(DOMException) on setting
-
-  // Modified in DOM Level 2:
-           attribute nsIDOMHTMLTableSectionElement tFoot;
-                                             // raises(DOMException) on setting
-
-  readonly attribute nsIDOMHTMLCollection          rows;
-  readonly attribute nsIDOMHTMLCollection          tBodies;
-           attribute DOMString                     align;
-           attribute DOMString                     bgColor;
-           attribute DOMString                     border;
-           attribute DOMString                     cellPadding;
-           attribute DOMString                     cellSpacing;
-           attribute DOMString                     frame;
-           attribute DOMString                     rules;
-           attribute DOMString                     summary;
-           attribute DOMString                     width;
-  nsIDOMHTMLElement         createTHead();
-  void                      deleteTHead();
-  nsIDOMHTMLElement         createTFoot();
-  void                      deleteTFoot();
-  nsIDOMHTMLElement         createCaption();
-  void                      deleteCaption();
-  // Modified in DOM Level 2:
-  nsIDOMHTMLElement         insertRow(in long index)
-                                             raises(DOMException);
-  // Modified in DOM Level 2:
-  void                      deleteRow(in long index)
-                                             raises(DOMException);
 };