diff --git a/accessible/generic/HyperTextAccessible.cpp b/accessible/generic/HyperTextAccessible.cpp
index b2acab1fdf9b..b639d0cd9f33 100644
--- a/accessible/generic/HyperTextAccessible.cpp
+++ b/accessible/generic/HyperTextAccessible.cpp
@@ -1340,7 +1340,7 @@ HyperTextAccessible::SetSelectionRange(int32_t aStartPos, int32_t aEndPos)
 
   // Set up the selection.
   for (int32_t idx = domSel->RangeCount() - 1; idx > 0; idx--)
-    domSel->RemoveRange(domSel->GetRangeAt(idx));
+    domSel->RemoveRange(*domSel->GetRangeAt(idx), IgnoreErrors());
   SetSelectionBoundsAt(0, aStartPos, aEndPos);
 
   // Make sure it is visible
@@ -1667,7 +1667,7 @@ HyperTextAccessible::SetSelectionBoundsAt(int32_t aSelectionNum,
     return !err.Failed();
   }
 
-  domSel->RemoveRange(range);
+  domSel->RemoveRange(*range, IgnoreErrors());
   IgnoredErrorResult err;
   domSel->AddRange(*range, err);
   return !err.Failed();
@@ -1683,7 +1683,7 @@ HyperTextAccessible::RemoveFromSelection(int32_t aSelectionNum)
   if (aSelectionNum < 0 || aSelectionNum >= static_cast<int32_t>(domSel->RangeCount()))
     return false;
 
-  domSel->RemoveRange(domSel->GetRangeAt(aSelectionNum));
+  domSel->RemoveRange(*domSel->GetRangeAt(aSelectionNum), IgnoreErrors());
   return true;
 }
 
diff --git a/dom/base/Selection.cpp b/dom/base/Selection.cpp
index ec0a6f9d8cfc..a1e2c83f9f28 100644
--- a/dom/base/Selection.cpp
+++ b/dom/base/Selection.cpp
@@ -2378,18 +2378,6 @@ Selection::AddRangeInternal(nsRange& aRange, nsIDocument* aDocument,
 //    being removed, and cause them to set the selected bits back on their
 //    selected frames after we've cleared the bit from ours.
 
-nsresult
-Selection::RemoveRange(nsIDOMRange* aDOMRange)
-{
-  if (!aDOMRange) {
-    return NS_ERROR_INVALID_ARG;
-  }
-  nsRange* range = static_cast<nsRange*>(aDOMRange);
-  ErrorResult result;
-  RemoveRange(*range, result);
-  return result.StealNSResult();
-}
-
 void
 Selection::RemoveRange(nsRange& aRange, ErrorResult& aRv)
 {
diff --git a/dom/base/nsISelection.idl b/dom/base/nsISelection.idl
index 79545ccc69b8..36234f1a5630 100644
--- a/dom/base/nsISelection.idl
+++ b/dom/base/nsISelection.idl
@@ -113,11 +113,6 @@ interface nsISelection : nsISupports
      */
     void selectAllChildren(in nsIDOMNode parentNode); 
 
-    /**
-     * Removes a range from the current selection.
-     */
-    void removeRange(in nsIDOMRange range);
-
     /**
      * Removes all ranges from the current selection.
      */
diff --git a/dom/base/nsRange.cpp b/dom/base/nsRange.cpp
index 4c0a1c627c72..5aeee5d0d677 100644
--- a/dom/base/nsRange.cpp
+++ b/dom/base/nsRange.cpp
@@ -1069,7 +1069,7 @@ nsRange::SetSelection(mozilla::dom::Selection* aSelection)
   // Extra step in case our parent failed to ensure the above
   // invariant.
   if (aSelection && mSelection) {
-    mSelection->RemoveRange(this);
+    mSelection->RemoveRange(*this, IgnoreErrors());
   }
 
   mSelection = aSelection;
diff --git a/dom/webidl/Selection.webidl b/dom/webidl/Selection.webidl
index 955e8bdeed02..6d35fea2aaf4 100644
--- a/dom/webidl/Selection.webidl
+++ b/dom/webidl/Selection.webidl
@@ -25,6 +25,9 @@ interface Selection {
    */
   [Throws, BinaryName="addRangeJS"]
   void      addRange(Range range);
+  /**
+   * Removes a range from the current selection.
+   */
   [Throws]
   void      removeRange(Range range);
   [Throws]
diff --git a/editor/libeditor/HTMLTableEditor.cpp b/editor/libeditor/HTMLTableEditor.cpp
index fb14c04c5b78..7d35c6fc5d7e 100644
--- a/editor/libeditor/HTMLTableEditor.cpp
+++ b/editor/libeditor/HTMLTableEditor.cpp
@@ -1423,7 +1423,7 @@ HTMLEditor::SelectBlockOfCells(nsIDOMElement* aStartCell,
 
     if (currentRowIndex < maxRow || currentRowIndex > maxRow ||
         currentColIndex < maxColumn || currentColIndex > maxColumn) {
-      selection->RemoveRange(range);
+      selection->RemoveRange(*static_cast<nsRange*>(range.get()), IgnoreErrors());
       // Since we've removed the range, decrement pointer to next range
       mSelectedCellIndex--;
     }
@@ -2183,7 +2183,7 @@ HTMLEditor::JoinTableCells(bool aMergeNonContiguousContents)
       nsCOMPtr<nsIDOMElement> deletedCell;
       GetCellFromRange(range, getter_AddRefs(deletedCell));
       if (!deletedCell) {
-        selection->RemoveRange(range);
+        selection->RemoveRange(*range, IgnoreErrors());
         rangeCount--;
         i--;
       }
diff --git a/layout/generic/nsFrameSelection.cpp b/layout/generic/nsFrameSelection.cpp
index 3f2bf589e92c..cde53a2aa2d3 100644
--- a/layout/generic/nsFrameSelection.cpp
+++ b/layout/generic/nsFrameSelection.cpp
@@ -2377,7 +2377,9 @@ printf("HandleTableSelection: Removing cell from multi-cell selection\n");
                mAppendStartSelectedCell = nullptr;
 
             // Deselect cell by removing its range from selection
-            return mDomSelections[index]->RemoveRange(range);
+            ErrorResult err;
+            mDomSelections[index]->RemoveRange(*range, err);
+            return err.StealNSResult();
           }
         }
         mUnselectCellOnMouseUp = nullptr;
@@ -2465,7 +2467,7 @@ nsFrameSelection::UnselectCells(nsIContent *aTableContent,
         if (curRowIndex < minRowIndex || curRowIndex > maxRowIndex ||
             curColIndex < minColIndex || curColIndex > maxColIndex) {
 
-          mDomSelections[index]->RemoveRange(range);
+          mDomSelections[index]->RemoveRange(*range, IgnoreErrors());
           // Since we've removed the range, decrement pointer to next range
           mSelectedCellIndex--;
         }
@@ -2487,7 +2489,7 @@ nsFrameSelection::UnselectCells(nsIContent *aTableContent,
             origColIndex <= static_cast<uint32_t>(maxColIndex) && maxColIndex >= 0 &&
             origColIndex + actualColSpan - 1 >= static_cast<uint32_t>(minColIndex)) {
 
-          mDomSelections[index]->RemoveRange(range);
+          mDomSelections[index]->RemoveRange(*range, IgnoreErrors());
           // Since we've removed the range, decrement pointer to next range
           mSelectedCellIndex--;
         }