diff --git a/Code/Mantid/MantidPlot/test/MantidPlotSliceViewerTest.py b/Code/Mantid/MantidPlot/test/MantidPlotSliceViewerTest.py
index ec0d909fa890..734da230cc4f 100644
--- a/Code/Mantid/MantidPlot/test/MantidPlotSliceViewerTest.py
+++ b/Code/Mantid/MantidPlot/test/MantidPlotSliceViewerTest.py
@@ -161,9 +161,6 @@ def test_showPeakOverlays(self):
 
         # Set the Foreground Colour
         peaksPresenter.setForegroundColor(QtGui.QColor(255, 0, 0, 255))
-        
-        # Check that it responds to changed workspaces
-        RenameWorkspace('pw',OutputWorkspace='pw_renamed')
 
         # Zoom in on peak.
         peaksPresenter.zoomToPeak(0)