allocation->width - 2 * border_width,
                            allocation->height - 2 * border_width);
 
-  /* use internal allocation structure for all the math
-   * because it's easier than always subtracting the container
-   * border width */
-  sheet->internal_allocation.x = 0;
-  sheet->internal_allocation.y = 0;
-  sheet->internal_allocation.width = allocation->width - 2 * border_width;
-  sheet->internal_allocation.height = allocation->height - 2 * border_width;
-
   sheet_allocation.x = 0;
   sheet_allocation.y = 0;
   sheet_allocation.width = allocation->width - 2 * border_width;
 
   GdkColor color[n_COLORS];
   gboolean show_grid;
 
-  /* allocation rectangle after the container_border_width
-     and the width of the shadow border */
-  GdkRectangle internal_allocation;
-
   gint16 column_requisition;
   gint16 row_requisition;