diff --git a/scripts/rebuild-overview-tiles.sh b/scripts/rebuild-overview-tiles.sh
index 01b0659..a339837 100644
--- a/scripts/rebuild-overview-tiles.sh
+++ b/scripts/rebuild-overview-tiles.sh
@@ -55,20 +55,17 @@ ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
   administrativ.fgb "$PG_CONN" \
   -sql "SELECT object_id, siruta, layer_id, cadastral_ref, geom FROM gis_administrativ WHERE geom IS NOT NULL" &
 
-# Terenuri simplified for overview (ST_SimplifyPreserveTopology 5m tolerance — good for z10-z14)
-# Only essential properties for overview display
+# Terenuri for overview — let tippecanoe handle simplification
 ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
   terenuri_overview.fgb "$PG_CONN" \
-  -sql "SELECT object_id, siruta, cadastral_ref, area_value, layer_id,
-         ST_SimplifyPreserveTopology(geom, 5) AS geom
-         FROM gis_terenuri WHERE geom IS NOT NULL" &
+  -sql "SELECT object_id, siruta, cadastral_ref, area_value, layer_id, geom
+        FROM gis_terenuri WHERE geom IS NOT NULL" &
 
-# Cladiri simplified for overview (3m tolerance — buildings are smaller)
+# Cladiri for overview — let tippecanoe handle simplification
 ogr2ogr -f FlatGeobuf -s_srs EPSG:3844 -t_srs EPSG:4326 \
   cladiri_overview.fgb "$PG_CONN" \
-  -sql "SELECT object_id, siruta, cadastral_ref, area_value, layer_id,
-         ST_SimplifyPreserveTopology(geom, 3) AS geom
-         FROM gis_cladiri WHERE geom IS NOT NULL" &
+  -sql "SELECT object_id, siruta, cadastral_ref, area_value, layer_id, geom
+        FROM gis_cladiri WHERE geom IS NOT NULL" &
 
 wait
 echo "[$(date -Iseconds)] Export complete."
@@ -90,6 +87,7 @@ tippecanoe \
   --base-zoom=14 \
   --drop-densest-as-needed \
   --detect-shared-borders \
+  --simplification=10 \
   --hilbert \
   --force