diff --git a/demos/gtk-demo/offscreen_window.c b/demos/gtk-demo/offscreen_window.c
index b1d766e5a0..8192c598f7 100644
--- a/demos/gtk-demo/offscreen_window.c
+++ b/demos/gtk-demo/offscreen_window.c
@@ -252,10 +252,9 @@ gtk_rotated_bin_realize (GtkWidget *widget)
                         | GDK_LEAVE_NOTIFY_MASK;
 
   attributes.visual = gtk_widget_get_visual (widget);
-  attributes.colormap = gtk_widget_get_colormap (widget);
   attributes.wclass = GDK_INPUT_OUTPUT;
 
-  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
 
   window = gdk_window_new (gtk_widget_get_parent_window (widget),
                            &attributes, attributes_mask);
diff --git a/demos/gtk-demo/offscreen_window2.c b/demos/gtk-demo/offscreen_window2.c
index fcc3214075..a944306e1f 100644
--- a/demos/gtk-demo/offscreen_window2.c
+++ b/demos/gtk-demo/offscreen_window2.c
@@ -190,10 +190,9 @@ gtk_mirror_bin_realize (GtkWidget *widget)
                         | GDK_LEAVE_NOTIFY_MASK;
 
   attributes.visual = gtk_widget_get_visual (widget);
-  attributes.colormap = gtk_widget_get_colormap (widget);
   attributes.wclass = GDK_INPUT_OUTPUT;
 
-  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
 
   window = gdk_window_new (gtk_widget_get_parent_window (widget),
                            &attributes, attributes_mask);