diff --git a/scripts/wildlife-photos.ts b/scripts/wildlife-photos.ts
index 8fc1474..158bea0 100644
--- a/scripts/wildlife-photos.ts
+++ b/scripts/wildlife-photos.ts
@@ -5,14 +5,13 @@
 //   DB_URL=... bun scripts/wildlife-photos.ts             (re)do photos for every species
 //   bun scripts/wildlife-photos.ts --missing              only species never checked / without photos
 //   bun scripts/wildlife-photos.ts --limit 100            at most 100 species this run
-//   bun scripts/wildlife-photos.ts --cache /tmp/wildlife  reuse API responses
 //   bun scripts/wildlife-photos.ts --missing --enrich report.json   print the import report with photos
 //
 // Per species: the curated iNaturalist taxon photos with a CC licence, topped up with the most
 // faved research-grade observation photos (CC licence only) until there are MAX photos.
 import postgres from 'postgres';
 import { readFile } from 'node:fs/promises';
-import { chunks, log, saveCache, useCache } from './planes-wiki';
+import { chunks, log } from './planes-wiki';
 import {
 	author,
 	inat,
@@ -63,7 +62,8 @@ const toPhoto = (p: InatPhoto, kind: string, page: string, place: string | null)
 type Obs = { id: number; uri?: string; place_guess?: string | null; photos: InatPhoto[] };
 
 async function main() {
-	await useCache(opt('--cache'), 'wildlife-photos-api.json');
+	// No response cache: --missing already resumes, and caching every observation page grew
+	// past what JSON.stringify can write (RangeError: Out of memory).
 	const url = process.env.DB_URL;
 	if (!url) throw new Error('Set DB_URL');
 	const sql = postgres(url, { max: 2, connect_timeout: 10, onnotice: () => {} });
@@ -133,7 +133,6 @@ async function main() {
 				total += photos.length;
 				done++;
 			}
-			await saveCache();
 			if (done % 150 < 30) log(`  ${done}/${todo.length} species, ${total} photos`);
 		}
 		await sql`
@@ -164,7 +163,6 @@ async function main() {
 			console.log(JSON.stringify(report, null, 1));
 		}
 	} finally {
-		await saveCache(true);
 		await sql.end();
 	}
 }