diff --git a/Code/Mantid/MantidQt/SliceViewer/inc/MantidQtSliceViewer/PeakOverlayMultiSphere.h b/Code/Mantid/MantidQt/SliceViewer/inc/MantidQtSliceViewer/PeakOverlayMultiSphere.h
index db257219c0529db91e5af403d0f0ab4076ab9295..23d1629522919c221e7672815b3ccc4095759c7a 100644
--- a/Code/Mantid/MantidQt/SliceViewer/inc/MantidQtSliceViewer/PeakOverlayMultiSphere.h
+++ b/Code/Mantid/MantidQt/SliceViewer/inc/MantidQtSliceViewer/PeakOverlayMultiSphere.h
@@ -5,6 +5,9 @@
 #include "MantidQtSliceViewer/PhysicalSphericalPeak.h"
 #include "DllOption.h"
 
+class QwtPlot;
+class QWidget;
+
 namespace MantidQt
 {
 
diff --git a/Code/Mantid/MantidQt/SliceViewer/src/PeakOverlayMultiSphere.cpp b/Code/Mantid/MantidQt/SliceViewer/src/PeakOverlayMultiSphere.cpp
index e6e20cbf7111785f865c3df524480fc35f405bb8..1d907e732f64262d9a6ea2b4827b6cfb8e5d961a 100644
--- a/Code/Mantid/MantidQt/SliceViewer/src/PeakOverlayMultiSphere.cpp
+++ b/Code/Mantid/MantidQt/SliceViewer/src/PeakOverlayMultiSphere.cpp
@@ -28,12 +28,11 @@ namespace MantidQt
      * @param peakColour : peak colour
      * @param backColour : background colour
      */
-    PeakOverlayMultiSphere::PeakOverlayMultiSphere(PeaksPresenter* const presenter, QwtPlot * plot, QWidget * parent, const VecPhysicalSphericalPeak& vecPhysicalPeaks, /// Plot x index
+    PeakOverlayMultiSphere::PeakOverlayMultiSphere(PeaksPresenter* const presenter, QwtPlot * plot, QWidget * parent, const VecPhysicalSphericalPeak& vecPhysicalPeaks,
                                                    const int plotXIndex, const int plotYIndex, const QColor& peakColour, const QColor& backColour) :
         PeakOverlayInteractive(presenter, plot, plotXIndex, plotYIndex, parent), m_physicalPeaks(vecPhysicalPeaks),
         m_peakColour(peakColour), m_backColour(backColour), m_showBackground(false)
     {
-
     }
 
     //----------------------------------------------------------------------------------------------