diff --git a/auxiliary/gdal2customtiles/gdal2customtiles.py b/auxiliary/gdal2customtiles/gdal2customtiles.py
index c07f7726..9adeb3de 100644
--- a/auxiliary/gdal2customtiles/gdal2customtiles.py
+++ b/auxiliary/gdal2customtiles/gdal2customtiles.py
@@ -3193,10 +3193,6 @@ def generate_base_tiles(self) -> Tuple[TileJobInfo, List[TileDetail]]:
                     ry = float(self.warped_input_dataset.RasterYSize) * (float(ry) / self.warped_input_dataset.fRasterYSizeWorld)
                     rxsize = float(self.warped_input_dataset.RasterXSize) * (float(rxsize) / self.warped_input_dataset.fRasterXSizeWorld)
                     rysize = float(self.warped_input_dataset.RasterYSize) * (float(rysize) / self.warped_input_dataset.fRasterYSizeWorld)
-                    
-                    if self.isDEMtile:
-                        wxsize -= 1  # 1bto4b
-                        wysize -= 1  # 1bto4b
 
                     rx = round(rx)
                     ry = round(ry)