def do_POST_day(self, conn: DatabaseConnection, date: str, postvars: dict):
         """Update or insert Day of date and fields defined in postvars."""
-        comment = postvars['comment'][0]
         day = Day.by_date(conn, date, create=True)
-        day.comment = comment
+        day.comment = postvars['comment'][0]
         day.save(conn)
 
     def _init_handling(self):
 
         today.save(self.db_conn)
         self.assertEqual(Day.all(self.db_conn, ('today', 'today')), [today])
 
-    def test_Day_comment(self):
-        """Test Day.comment."""
-        self.assertEqual(None, Day.by_date(self.db_conn, '2024-01-01'))
-        d1 = Day('2024-01-01')
-        d1.save(self.db_conn)
-        day_retrieved = Day.by_date(self.db_conn, d1.date)
-        self.assertEqual(day_retrieved.comment, '')
-        d2 = Day('2024-01-02', 'foo')
-        d2.save(self.db_conn)
-        day_retrieved = Day.by_date(self.db_conn, d2.date)
-        self.assertEqual(day_retrieved.comment, 'foo')
-
     def test_Day_neighbor_dates(self):
         """Test Day.prev_date and Day.next_date."""
         self.assertEqual(Day('2024-01-01').prev_date, '2023-12-31')