diff --git a/wxPython/demo/IntCtrl.py b/wxPython/demo/IntCtrl.py
index 7f6b168575..16b5610eb5 100644
--- a/wxPython/demo/IntCtrl.py
+++ b/wxPython/demo/IntCtrl.py
@@ -28,10 +28,10 @@ class TestPanel( wx.Panel ):
 
         grid = wx.FlexGridSizer( 0, 2, 0, 0 )
         grid.Add( self.set_min, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
-        grid.Add( self.min, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid.Add( self.min, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid.Add(self.set_max, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
-        grid.Add( self.max, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid.Add( self.max, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid.Add( self.limit_target, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
         grid.Add( (20, 0), 0, wx.ALIGN_LEFT|wx.ALL, 5 )
diff --git a/wxPython/demo/MaskedNumCtrl.py b/wxPython/demo/MaskedNumCtrl.py
index 6d5bda9937..80eb46465a 100644
--- a/wxPython/demo/MaskedNumCtrl.py
+++ b/wxPython/demo/MaskedNumCtrl.py
@@ -79,16 +79,16 @@ value entry ctrl:""")
 
         grid1 = wx.FlexGridSizer( 0, 4, 0, 0 )
         grid1.Add( intlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
-        grid1.Add( self.integerwidth, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid1.Add( self.integerwidth, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid1.Add( groupcharlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
-        grid1.Add( self.groupchar, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid1.Add( self.groupchar, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid1.Add( fraclabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
-        grid1.Add( self.fractionwidth, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid1.Add( self.fractionwidth, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid1.Add( decimalcharlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
-        grid1.Add( self.decimalchar, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid1.Add( self.decimalchar, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid1.Add( self.set_min, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
         grid1.Add( self.min, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
diff --git a/wxPython/demo/MimeTypesManager.py b/wxPython/demo/MimeTypesManager.py
index 2a434717d0..30e852d5aa 100644
--- a/wxPython/demo/MimeTypesManager.py
+++ b/wxPython/demo/MimeTypesManager.py
@@ -46,7 +46,7 @@ class MimeTypesDemoPanel(wx.Panel):
         usizer.Add(t, 0, wx.ALL | wx.ALIGN_CENTER | wx.ALIGN_CENTER_VERTICAL, 2)
 
         self.ext = wx.TextCtrl(self, -1, value="wav", style = wx.TE_PROCESS_ENTER )
-        usizer.Add(self.ext, 0, wx.FIXED_MINSIZE | wx.ALL | wx.ALIGN_TOP, 4)
+        usizer.Add(self.ext, 0, wx.ALL | wx.ALIGN_TOP, 4)
         self.Bind(wx.EVT_TEXT_ENTER, self.OnLookup, self.ext)
 
         # Select how to look it up
@@ -85,13 +85,13 @@ class MimeTypesDemoPanel(wx.Panel):
         llsizer.Add(t, (0, 0), (1, 1), wx.ALL | wx.EXPAND | wx.ALIGN_CENTER, 2)
 
         self.icon = wx.StaticBitmap(self, -1, images.getNoIconBitmap())
-        llsizer.Add(self.icon, (0, 1), (1, 1), wx.FIXED_MINSIZE | wx.ALL | wx.ALIGN_CENTER, 2)
+        llsizer.Add(self.icon, (0, 1), (1, 1), wx.ALL | wx.ALIGN_CENTER, 2)
 
         self.iconsource = wx.TextCtrl(self, -1, value="", size=(125, -1), style = wx.TE_READONLY )
         llsizer.Add(self.iconsource, (0, 2), (1, 1), wx.ALL | wx.ALIGN_LEFT | wx.ALIGN_CENTER_VERTICAL, 2)
 
         self.iconoffset = wx.TextCtrl(self, -1, value="", size=(25,-1), style = wx.TE_READONLY )
-        llsizer.Add(self.iconoffset, (0, 3), (1, 1), wx.FIXED_MINSIZE | wx.ALL | wx.ALIGN_CENTER_VERTICAL, 2)
+        llsizer.Add(self.iconoffset, (0, 3), (1, 1), wx.ALL | wx.ALIGN_CENTER_VERTICAL, 2)
 
         #------- MIME Type
 
@@ -176,7 +176,7 @@ class MimeTypesDemoPanel(wx.Panel):
         lrsizer.Add(t, 0, wx.ALL | wx.EXPAND | wx.ALIGN_CENTER, 4)
 
         self.mimelist = wx.ListBox(self, -1, choices=[], style = wx.LB_SINGLE | wx.LB_SORT)
-        lrsizer.Add(self.mimelist, 1, wx.ALL | wx.EXPAND | wx.ALIGN_CENTER | wx.FIXED_SIZE, 4)
+        lrsizer.Add(self.mimelist, 1, wx.ALL | wx.EXPAND | wx.ALIGN_CENTER | wx.FIXED_MINSIZE, 4)
         self.Bind(wx.EVT_LISTBOX, self.OnListbox, self.mimelist)
 
         #----------------------------------------------------------------------------
diff --git a/wxPython/demo/data/resource_wdr.xrc b/wxPython/demo/data/resource_wdr.xrc
index ce41cf9208..354bb66932 100644
--- a/wxPython/demo/data/resource_wdr.xrc
+++ b/wxPython/demo/data/resource_wdr.xrc
@@ -74,7 +74,7 @@
                 </object>
               </object>
               <object class="sizeritem">
-                <flag>wxALIGN_CENTRE|wxLEFT|wxTOP|wxFIXED_MINSIZE</flag>
+                <flag>wxALIGN_CENTRE|wxLEFT|wxTOP</flag>
                 <border>5</border>
                 <object class="wxTextCtrl" name="ID_StateField">
                   <size>30,-1</size>
@@ -82,7 +82,7 @@
                 </object>
               </object>
               <object class="sizeritem">
-                <flag>wxALIGN_CENTRE|wxLEFT|wxRIGHT|wxTOP|wxFIXED_MINSIZE</flag>
+                <flag>wxALIGN_CENTRE|wxLEFT|wxRIGHT|wxTOP</flag>
                 <border>5</border>
                 <object class="wxTextCtrl" name="ID_ZipField">
                   <size>50,-1</size>