diff --git a/CHANGES.rst b/CHANGES.rst
index 76ff0d21..6db16f50 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -40,6 +40,10 @@ Changes in this release include the following:
 
 * Added wx.Treebook.GetTreeCtrl and wx.Choicebook.GetChoiceCtrl. (#918)
 
+* Removed the wx.BookCtrlBase.RemovePage workaround as it was causing problems
+  and doesn't seem to be necessary any more. The wxWidgets assertions are catching
+  the out of range error just fine. (#888)
+
 
 
 
diff --git a/demo/ColorPanel.py b/demo/ColorPanel.py
index 8a4a7e6a..f91c97c0 100644
--- a/demo/ColorPanel.py
+++ b/demo/ColorPanel.py
@@ -13,8 +13,6 @@ class ColoredPanel(wx.Window):
     def __init__(self, parent, color):
         wx.Window.__init__(self, parent, -1, style = wx.SIMPLE_BORDER)
         self.SetBackgroundColour(color)
-        if wx.Platform == '__WXGTK__':
-            self.SetBackgroundStyle(wx.BG_STYLE_CUSTOM)
 
 
 #---------------------------------------------------------------------------
diff --git a/etg/bookctrl.py b/etg/bookctrl.py
index 7c56a74f..5948e2c9 100644
--- a/etg/bookctrl.py
+++ b/etg/bookctrl.py
@@ -42,21 +42,6 @@ def run():
 
     c.find('HitTest.flags').out = True
 
-    # Workaround the lack of checking valid page numbers in wxGTK.
-    c.addPyCode("""\
-        def _checkBookPageCount(f):
-            import functools
-            @functools.wraps(f)
-            def wrapper(self, page):
-                if page >= self.GetPageCount():
-                    raise wx.PyAssertionError("invalid notebook page")
-                return f(self, page)
-            return wrapper
-
-        BookCtrlBase.RemovePage = _checkBookPageCount(BookCtrlBase.RemovePage)
-        BookCtrlBase.GetPage = _checkBookPageCount(BookCtrlBase.GetPage)
-        """)
-
 
     #-----------------------------------------------------------------
     tools.doCommonTweaks(module)