| OBSOLESCENCE | Process of becoming out of date or no longer needed |
| UPTO | Words with "date" or "no good" |
| OBSOLESCENT | Old boy only taking perfume becoming out of date (11) |
| FOSSIL | From "to dig", a word for an ammonite or other dug-up petrified remnant of a prehistoric creature, thus for an antiquated, old, out-of-date or unchanging person or thing (6) |
| OLDEN | Out of date, or below the peak |
| OLDHAT | Out of date or antiquated (3,3) |
| BELATED | Out of date, or coming too late (7) |
| DINOSAURS | Extinct "terrible lizards" to which apparently antiquated, out-of-date or unchanging "fossils" are likened (9) |
| LOGARITHM | Part of table no longer needed - in short, it's a piece of wood |
| REDUNDANT | No longer needed and turned out (9) |
| DITCH | Get rid of things no longer needed, in the main (5) |
| VESTIGE | Meaning "footprint", a surviving remnant or trace of something which is lost or no longer present (7) |
| SUSPENDER | The invention of pantihose meant women no longer needed this to hold up a stocking |
| ASHTRAYS | Ashley gets platters no longer needed in bars (8) |
| WASTES | Materials that are no longer needed and are thrown away (6) |
| CASTOFF | Finish knitting clothing no longer needed with a hyphen (4,3) |
| GIBBET | It's no longer needed to complete a sentence (6) |
| TROJAN | A hard worker by reputation, janitor strangely one no longer needed |
| RATON | Give away fixed amount one no longer needed |
| DISUSE | What no-longer-needed things fall into |
