diff --git a/src/calibre/db/categories.py b/src/calibre/db/categories.py
index 6af9b35148..b934aec0c1 100644
--- a/src/calibre/db/categories.py
+++ b/src/calibre/db/categories.py
@@ -140,8 +140,6 @@ def get_categories(dbcache, sort='name', book_ids=None, icon_map=None):
 
     for category, is_multiple, is_composite in find_categories(fm):
         tag_class = create_tag_class(category, fm, icon_map)
-        # TODO: Handle composite column based categories (both is_multiple and
-        # not is_multiple)
         if is_composite:
             if bids is None:
                 bids = dbcache._all_book_ids() if book_ids is None else book_ids