diff --git a/mozilla/layout/generic/nsAbsoluteContainingBlock.cpp b/mozilla/layout/generic/nsAbsoluteContainingBlock.cpp
index 38527176233..f3a8566a5e8 100644
--- a/mozilla/layout/generic/nsAbsoluteContainingBlock.cpp
+++ b/mozilla/layout/generic/nsAbsoluteContainingBlock.cpp
@@ -404,10 +404,6 @@ nsAbsoluteContainingBlock::DestroyFrames(nsIFrame*       aDelegatingFrame,
   mAbsoluteFrames.DestroyFrames(aPresContext);
 }
 
-/**
- * NOTE: nsViewportFrame::ReflowFixedFrame is rather similar to this
- * function, so changes made here may also need to be made there.
- */
 // XXX Optimize the case where it's a resize reflow and the absolutely
 // positioned child has the exact same size and position and skip the
 // reflow...
diff --git a/mozilla/layout/generic/nsViewportFrame.cpp b/mozilla/layout/generic/nsViewportFrame.cpp
index e228e703736..66c9fda2657 100644
--- a/mozilla/layout/generic/nsViewportFrame.cpp
+++ b/mozilla/layout/generic/nsViewportFrame.cpp
@@ -270,7 +270,6 @@ ViewportFrame::Reflow(nsIPresContext*          aPresContext,
     // Make a copy of the reflow state and change the computed width and height
     // to reflect the available space for the fixed items
     nsHTMLReflowState reflowState(aReflowState);
-    reflowState.reason = eReflowReason_Dirty;
     AdjustReflowStateForScrollbars(aPresContext, reflowState);
  
     PRBool wasHandled; 
diff --git a/mozilla/layout/html/base/src/nsAbsoluteContainingBlock.cpp b/mozilla/layout/html/base/src/nsAbsoluteContainingBlock.cpp
index 38527176233..f3a8566a5e8 100644
--- a/mozilla/layout/html/base/src/nsAbsoluteContainingBlock.cpp
+++ b/mozilla/layout/html/base/src/nsAbsoluteContainingBlock.cpp
@@ -404,10 +404,6 @@ nsAbsoluteContainingBlock::DestroyFrames(nsIFrame*       aDelegatingFrame,
   mAbsoluteFrames.DestroyFrames(aPresContext);
 }
 
-/**
- * NOTE: nsViewportFrame::ReflowFixedFrame is rather similar to this
- * function, so changes made here may also need to be made there.
- */
 // XXX Optimize the case where it's a resize reflow and the absolutely
 // positioned child has the exact same size and position and skip the
 // reflow...
diff --git a/mozilla/layout/html/base/src/nsViewportFrame.cpp b/mozilla/layout/html/base/src/nsViewportFrame.cpp
index e228e703736..66c9fda2657 100644
--- a/mozilla/layout/html/base/src/nsViewportFrame.cpp
+++ b/mozilla/layout/html/base/src/nsViewportFrame.cpp
@@ -270,7 +270,6 @@ ViewportFrame::Reflow(nsIPresContext*          aPresContext,
     // Make a copy of the reflow state and change the computed width and height
     // to reflect the available space for the fixed items
     nsHTMLReflowState reflowState(aReflowState);
-    reflowState.reason = eReflowReason_Dirty;
     AdjustReflowStateForScrollbars(aPresContext, reflowState);
  
     PRBool wasHandled;