diff --git a/gui/wxpython/nviz/tools.py b/gui/wxpython/nviz/tools.py
index bfdf3312048..7ced7d157e1 100644
--- a/gui/wxpython/nviz/tools.py
+++ b/gui/wxpython/nviz/tools.py
@@ -1196,33 +1196,6 @@ def _createSurfacePage(self, parent):
             flag=wx.EXPAND | wx.LEFT | wx.RIGHT | wx.BOTTOM,
             border=3,
         )
-        #
-        # mask
-        #
-        # box = wx.StaticBox (parent = panel, id = wx.ID_ANY,
-        # label = " %s " % (_("Mask")))
-        #        boxSizer = wx.StaticBoxSizer(box, wx.VERTICAL)
-        #        gridSizer = wx.GridBagSizer(vgap = 5, hgap = 5)
-        #
-        # gridSizer.Add(item = wx.StaticText(parent = panel, id = wx.ID_ANY,
-        # label = _("Mask zeros:")),
-        # pos = (0, 0), flag = wx.ALIGN_CENTER_VERTICAL)
-        #
-        # elev = wx.CheckBox(parent = panel, id = wx.ID_ANY,
-        # label = _("by elevation"))
-        # elev.Enable(False) # TODO: not implemented yet
-        #        gridSizer.Add(item = elev, pos = (0, 1))
-        #
-        # color = wx.CheckBox(parent = panel, id = wx.ID_ANY,
-        # label = _("by color"))
-        # color.Enable(False) # TODO: not implemented yet
-        #        gridSizer.Add(item = color, pos = (0, 2))
-        #
-        # boxSizer.Add(item = gridSizer, proportion = 1,
-        # flag = wx.ALL | wx.EXPAND, border = 3)
-        # pageSizer.Add(item = boxSizer, proportion = 0,
-        #                      flag = wx.EXPAND | wx.LEFT | wx.RIGHT | wx.BOTTOM,
-        # border = 3)
 
         panel.SetSizer(pageSizer)
 
@@ -1852,24 +1825,6 @@ def _createVectorPage(self, parent):
         icolor.Bind(csel.EVT_COLOURSELECT, self.OnVectorPoints)
         gridSizer.Add(icolor, flag=wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_LEFT, pos=(0, 4))
 
-        # icon width - seems to do nothing
-        # gridSizer.Add(item = wx.StaticText(parent = panel, id = wx.ID_ANY,
-        # label = _("width")),
-        # pos = (1, 1), flag = wx.ALIGN_CENTER_VERTICAL |
-        # wx.ALIGN_RIGHT)
-        #
-        # iwidth = wx.SpinCtrl(parent = panel, id = wx.ID_ANY, size = (65, -1),
-        #                             initial = 1,
-        #                             min = 1,
-        # max = 1e6)
-        # iwidth.SetName('value')
-        # iwidth.SetValue(100)
-        #        self.win['vector']['points']['width'] = iwidth.GetId()
-        #        iwidth.Bind(wx.EVT_SPINCTRL, self.OnVectorPoints)
-        #        iwidth.Bind(wx.EVT_TEXT, self.OnVectorPoints)
-        # gridSizer.Add(item = iwidth, pos = (1, 2),
-        # flag = wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_LEFT)
-        # icon symbol
         gridSizer.Add(
             StaticText(parent=panel, id=wx.ID_ANY, label=_("symbol:")),
             pos=(0, 5),
@@ -3084,7 +3039,6 @@ def _createIsosurfacePanel(self, parent):
                 )
                 value.Bind(wx.EVT_TEXT_ENTER, self.OnVolumeIsosurfMap)
                 value.Bind(wx.EVT_KILL_FOCUS, self.OnVolumeIsosurfMap)
-            #                value.Bind(wx.EVT_TEXT, self.OnVolumeIsosurfMap)
             else:
                 size = (65, -1)
                 value = SpinCtrl(parent=panel, id=wx.ID_ANY, size=size, initial=0)