diff --git a/gui/wxpython/iscatt/dialogs.py b/gui/wxpython/iscatt/dialogs.py
index 3e2d7fa7a59..a2d054b64a4 100644
--- a/gui/wxpython/iscatt/dialogs.py
+++ b/gui/wxpython/iscatt/dialogs.py
@@ -90,8 +90,6 @@ def _layout(self):
         border = wx.BoxSizer(wx.VERTICAL)
         dialogSizer = wx.BoxSizer(wx.VERTICAL)
 
-        regionSizer = wx.BoxSizer(wx.HORIZONTAL)
-
         dialogSizer.Add(
             self._addSelectSizer(title=self.band_1_label, sel=self.band_1_ch)
         )
@@ -356,7 +354,6 @@ def __init__(
 
         self.scatt_mgr = scatt_mgr
 
-        maxValue = 1e8
         self.parent = parent
         self.settings = {}
 
diff --git a/gui/wxpython/iscatt/frame.py b/gui/wxpython/iscatt/frame.py
index 803b2344144..122aa053b9b 100644
--- a/gui/wxpython/iscatt/frame.py
+++ b/gui/wxpython/iscatt/frame.py
@@ -221,9 +221,6 @@ def __init__(self, parent, scatt_mgr, id=wx.ID_ANY):
 
         self.Bind(aui.EVT_AUI_PANE_CLOSE, self.OnPlotPaneClosed)
 
-        dlgSize = (-1, 400)
-        # self.SetBestSize(dlgSize)
-        # self.SetInitialSize(dlgSize)
         self.SetAutoLayout(1)
         # fix goutput's pane size (required for Mac OSX)
         # if self.gwindow: