diff --git a/ocitysmap2/__init__.py b/ocitysmap2/__init__.py
index e826670..593ae6c 100644
--- a/ocitysmap2/__init__.py
+++ b/ocitysmap2/__init__.py
@@ -127,7 +127,7 @@ class Stylesheet:
 
 class OCitySMap:
     """
-    TODO
+    TODO: documentation here
     """
 
     DEFAULT_REQUEST_TIMEOUT_MIN = 15
@@ -238,7 +238,7 @@ class OCitySMap:
 
     def _get_osmid_area(self, osmid):
         """Returns the bounding box area around the given OSM ID."""
-        # TODO: 
+        # TODO: merge with get_bounding_box
         l.info('Looking for contour around OSM ID %d...' % osmid)
         cursor = self._db.cursor()
         cursor.execute("""select st_astext(st_transform(st_buildarea(way), 4002))
diff --git a/ocitysmap2/index/indexer.py b/ocitysmap2/index/indexer.py
index f88d33d..20fe139 100644
--- a/ocitysmap2/index/indexer.py
+++ b/ocitysmap2/index/indexer.py
@@ -195,8 +195,6 @@ class StreetIndex:
 
         return [category for category in result if category.items]
 
-    def build_data_nogrid(self):
-        return self._categories
 
 if __name__ == "__main__":
     import os