diff --git a/gfx/public/nsRect.h b/gfx/public/nsRect.h
index 925b96ca825f..2ffeee400c7e 100644
--- a/gfx/public/nsRect.h
+++ b/gfx/public/nsRect.h
@@ -124,20 +124,9 @@ struct NS_GFX nsRect {
     return (PRBool) !operator==(aRect);
   }
 
-  // This method is weird. It should probably be deprecated.
-  nsRect  operator+(const nsRect& aRect) const {
-    return nsRect(x + aRect.x, y + aRect.y,
-                  width + aRect.width, height + aRect.height);
-  }
   nsRect  operator+(const nsPoint& aPoint) const {
     return nsRect(x + aPoint.x, y + aPoint.y, width, height);
   }
-
-  // This method is weird. It should probably be deprecated.
-  nsRect  operator-(const nsRect& aRect) const {
-    return nsRect(x - aRect.x, y - aRect.y,
-                  width - aRect.width, height - aRect.height);
-  }
   nsRect  operator-(const nsPoint& aPoint) const {
     return nsRect(x - aPoint.x, y - aPoint.y, width, height);
   }
@@ -153,6 +142,12 @@ struct NS_GFX nsRect {
   nsRect& ScaleRoundOut(const float aScale);
   nsRect& ScaleRoundIn(const float aScale);
 
+  // Helpers for accessing the vertices
+  nsPoint TopLeft() const { return nsPoint(x, y); }
+  nsPoint TopRight() const { return nsPoint(XMost(), y); }
+  nsPoint BottomLeft() const { return nsPoint(x, YMost()); }
+  nsPoint BottomRight() const { return nsPoint(XMost(), YMost()); }
+
   // Helper methods for computing the extents
   nscoord XMost() const {return x + width;}
   nscoord YMost() const {return y + height;}
diff --git a/gfx/public/nsSize.h b/gfx/public/nsSize.h
index 6514fb15e930..6419c344dd09 100644
--- a/gfx/public/nsSize.h
+++ b/gfx/public/nsSize.h
@@ -67,15 +67,9 @@ struct nsSize {
   nsSize operator+(const nsSize& aSize) const {
     return nsSize(width + aSize.width, height + aSize.height);
   }
-  nsSize operator-(const nsSize& aSize) const {
-    return nsSize(width - aSize.width, height - aSize.height);
-  }
   nsSize& operator+=(const nsSize& aSize) {width += aSize.width;
                                            height += aSize.height;
                                            return *this;}
-  nsSize& operator-=(const nsSize& aSize) {width -= aSize.width;
-                                           height -= aSize.height;
-                                           return *this;}
 };
 
 #endif /* NSSIZE_H */