--- a/layout/xul/tree/nsTreeBodyFrame.cpp
+++ b/layout/xul/tree/nsTreeBodyFrame.cpp
@@ -3313,18 +3313,16 @@ nsTreeBodyFrame::PaintCell(int32_t      
       nsRect twistyRect(aCellRect);
       GetTwistyRect(aRowIndex, aColumn, imageSize, twistyRect, aPresContext,
                     twistyContext);
 
       nsMargin twistyMargin;
       twistyContext->StyleMargin()->GetMargin(twistyMargin);
       twistyRect.Inflate(twistyMargin);
 
-      aRenderingContext.Save();
-
       const nsStyleBorder* borderStyle = lineContext->StyleBorder();
       // Resolve currentcolor values against the treeline context
       nscolor color = lineContext->StyleColor()->
         CalcComplexColor(borderStyle->mBorderLeftColor);
       ColorPattern colorPatt(ToDeviceColor(color));
 
       uint8_t style = borderStyle->GetBorderStyle(eSideLeft);
       StrokeOptions strokeOptions;
@@ -3378,18 +3376,16 @@ nsTreeBodyFrame::PaintCell(int32_t      
         }
 
         int32_t parent;
         if (NS_FAILED(mView->GetParentIndex(currentParent, &parent)) || parent < 0)
           break;
         currentParent = parent;
         srcX -= mIndentation;
       }
-
-      aRenderingContext.Restore();
     }
 
     // Always leave space for the twisty.
     nsRect twistyRect(currX, cellRect.y, remainingWidth, cellRect.height);
     result &= PaintTwisty(aRowIndex, aColumn, twistyRect, aPresContext,
                           aRenderingContext, aDirtyRect, remainingWidth,
                           currX);
   }