diff --git a/src/c3nav/mapdata/management/commands/clearcache.py b/src/c3nav/mapdata/management/commands/clearmapcache.py
similarity index 100%
rename from src/c3nav/mapdata/management/commands/clearcache.py
rename to src/c3nav/mapdata/management/commands/clearmapcache.py
diff --git a/src/c3nav/mapdata/management/commands/compilealtitudes.py b/src/c3nav/mapdata/management/commands/compilealtitudes.py
deleted file mode 100644
index e1e48df8..00000000
--- a/src/c3nav/mapdata/management/commands/compilealtitudes.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from django.core.management.base import BaseCommand
-
-
-class Command(BaseCommand):
-    help = 'recalculate the map altitudes'
-
-    def handle(self, *args, **options):
-        from c3nav.mapdata.models import AltitudeArea
-        AltitudeArea.recalculate()
diff --git a/src/c3nav/mapdata/management/commands/rebuildgeometries.py b/src/c3nav/mapdata/management/commands/rebuildgeometries.py
deleted file mode 100644
index a9da9237..00000000
--- a/src/c3nav/mapdata/management/commands/rebuildgeometries.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from django.core.management.base import BaseCommand
-
-
-class Command(BaseCommand):
-    help = 'rebuild level geometries'
-
-    def handle(self, *args, **options):
-        from c3nav.mapdata.render.base import LevelGeometries
-        LevelGeometries.rebuild()
diff --git a/src/c3nav/mapdata/models/update.py b/src/c3nav/mapdata/models/update.py
index d2f1505a..92a6eda1 100644
--- a/src/c3nav/mapdata/models/update.py
+++ b/src/c3nav/mapdata/models/update.py
@@ -46,5 +46,11 @@ class MapUpdate(models.Model):
     def save(self, **kwargs):
         if self.pk is not None:
             raise TypeError
+
+        from c3nav.mapdata.models import AltitudeArea
+        from c3nav.mapdata.render.base import LevelGeometries
+        AltitudeArea.recalculate()
+        LevelGeometries.rebuild()
+
         super().save(**kwargs)
         cache.set('mapdata:last_update', (self.pk, self.datetime), 900)