diff --git a/samples/widgets/bmpcombobox.cpp b/samples/widgets/bmpcombobox.cpp
index 7f9388545f..162ba73421 100644
--- a/samples/widgets/bmpcombobox.cpp
+++ b/samples/widgets/bmpcombobox.cpp
@@ -843,33 +843,23 @@ wxBitmap BitmapComboBoxWidgetsPage::QueryBitmap(wxString* pStr)
 
 wxBitmap BitmapComboBoxWidgetsPage::CreateBitmap(const wxColour& colour)
 {
-    int ch = m_combobox->GetBitmapSize().y;
-    int h0 = ch - 5;
-
-    long w = ch;
-    long h = ch;
-
-    if ( w <= 0 )
-        w = h0 - 1;
-    if ( h <= 0 )
-        h = h0;
-    if ( h > ch )
-        h = ch;
+    const int w = 10,
+              h = 10;
 
     wxMemoryDC dc;
-    wxBitmap bmp(w,h);
+    wxBitmap bmp(w, h);
     dc.SelectObject(bmp);
 
     // Draw transparent background
-    wxColour magic(255,0,255);
+    wxColour magic(255, 0, 255);
     wxBrush magicBrush(magic);
     dc.SetBrush(magicBrush);
     dc.SetPen(*wxTRANSPARENT_PEN);
-    dc.DrawRectangle(0,0,bmp.GetWidth(),bmp.GetHeight());
+    dc.DrawRectangle(0, 0, w, h);
 
     // Draw image content
     dc.SetBrush(wxBrush(colour));
-    dc.DrawCircle(h/2,h/2+1,(h/2));
+    dc.DrawCircle(h/2, h/2+1, h/2);
 
     dc.SelectObject(wxNullBitmap);