diff --git a/tiles/tiles.sh b/tiles/tiles.sh
index 400ec0b9..9fffc544 100755
--- a/tiles/tiles.sh
+++ b/tiles/tiles.sh
@@ -25,17 +25,8 @@ if [ "$TILES" = "low-med" ]; then
 fi
 
 if [ "$TILES" = "high" ]; then
-  rm -f /tiles/high8.mbtiles
-  $MARTIN --min-zoom 8 --max-zoom 9 --source railway_line_high --output-file /tiles/high8.mbtiles
-  mbtiles summary /tiles/high8.mbtiles
-
-  rm -f /tiles/high10.mbtiles
-  $MARTIN --min-zoom 10 --max-zoom "$MAX_ZOOM" --source railway_line_high,railway_text_km --output-file /tiles/high10.mbtiles
-  mbtiles summary /tiles/high10.mbtiles
-
   rm -f /tiles/high.mbtiles
-  mbtiles copy --on-duplicate abort /tiles/high8.mbtiles /tiles/high.mbtiles
-  mbtiles copy --on-duplicate override /tiles/high10.mbtiles /tiles/high.mbtiles
+  $MARTIN --min-zoom 8 --max-zoom "$MAX_ZOOM" --source railway_line_high,railway_text_km --output-file /tiles/high.mbtiles
   mbtiles summary /tiles/high.mbtiles
 fi