| Clue | Source | Date |
|---|---|---|
| The burning issue: how it piles up! (3-4) | ||
| Metaphor for no-longer-relevant history | LA Times Daily | 15 Nov 2022 |
| Worthless pile | Eugene Sheffer | 28 Sep 2022 |
| Metaphorical oblivion | Wall Street Journal | 22 May 2021 |
| Metaphorical junk pile | ||
| Waste pile | New York Times | 12 Sep 2016 |
| Pile on a pyre | ||
| Waste pile | ||
| Pile of burnt remains and household refuse | ||
| Valueless pile | ||
| Valueless pile | ||
| Worthless pile | ||
| Fireplace pile | ||
| Worthless pile | ||
| Pile of detritus |