diff --git a/src/lib/removed-benches.ts b/src/lib/removed-benches.ts
index 49b665af..5c4690f2 100644
--- a/src/lib/removed-benches.ts
+++ b/src/lib/removed-benches.ts
@@ -32,6 +32,12 @@ export const REMOVED_BENCH_SLUGS = new Set([
   // duplicate of solana-tx-landing (bench 016); the 027 active-probe
   // variant never got data on prod and shows an empty placeholder
   "solana-tx-landing-latency",
+  // indexer-latency (084) dropped entirely 2026-07-16: HyperSync + The
+  // Graph providers require paid credentials for the sustained cadence
+  // (Mobula alone left the leaderboard single-provider). Spec + harness
+  // removed; kept in the 410 list so any indexed URL returns Gone
+  // instead of 404.
+  "indexer-latency",
   // staging pipeline, held back until validated / announced
   "indexing-freshness",
   "rpc-keyed-latency",
@@ -46,6 +52,5 @@ export const REMOVED_BENCH_SLUGS = new Set([
   // follows suit and is not gated.
   "oracle-freshness",
   "rpc-reliability",
-  "indexer-latency",
   "evm-block-builders",
 ]);
diff --git a/src/lib/spec.ts b/src/lib/spec.ts
index 41b95334..009f2a80 100644
--- a/src/lib/spec.ts
+++ b/src/lib/spec.ts
@@ -289,7 +289,10 @@ const loadBenchmarkUnfilteredCached = unstable_cache(
   // parity with the base + solana siblings + ungated on prod. Bench SET
   // changed (old slug gone, new slug live). Bump to purge cached v29 that
   // still keys the old slug.
-  ["bench-unfiltered-v30", process.env.VERCEL_ENV === "production" ? "prod" : "all"],
+  // v31: 084 indexer-latency dropped entirely (spec + harness deleted;
+  // HyperSync + The Graph required paid credentials for sustained
+  // cadence). Bench SET shrank.
+  ["bench-unfiltered-v31", process.env.VERCEL_ENV === "production" ? "prod" : "all"],
   { revalidate: 300, tags: ["benchmarks"] },
 );
 
@@ -447,7 +450,8 @@ const loadAllBenchmarksCached = unstable_cache(
 // v31: bumped with bench-unfiltered-v28 (bench vague 2, 081-085).
   // v32: bumped with bench-unfiltered-v30 (081 slug rename ws-head-latency
   // -> ws-head-latency-ethereum + ungate on prod).
-  ["all-benchmarks-v33", process.env.VERCEL_ENV === "production" ? "prod" : "all"],
+  // v34: bumped with bench-unfiltered-v31 (084 indexer-latency dropped).
+  ["all-benchmarks-v34", process.env.VERCEL_ENV === "production" ? "prod" : "all"],
   { revalidate: 300, tags: ["benchmarks"] },
 );
 export const loadAllBenchmarks = cache(loadAllBenchmarksCached);