diff --git a/src/c3nav/mapdata/render/base.py b/src/c3nav/mapdata/render/base.py
index 49d3a603..c2d697c7 100644
--- a/src/c3nav/mapdata/render/base.py
+++ b/src/c3nav/mapdata/render/base.py
@@ -115,7 +115,6 @@ class LevelGeometries:
 
             geoms.walls = buildings_geom.difference(spaces_geom).difference(doors_geom)
             level.geoms_cache = pickle.dumps(geoms)
-            level.save()
 
         with transaction.atomic():
             for level in levels: