diff --git a/packages/apps-config/src/endpoints/productionRelayKusama.ts b/packages/apps-config/src/endpoints/productionRelayKusama.ts
index 0cb6a74c3d..2361265b0d 100644
--- a/packages/apps-config/src/endpoints/productionRelayKusama.ts
+++ b/packages/apps-config/src/endpoints/productionRelayKusama.ts
@@ -400,8 +400,8 @@ export const prodParasKusama: EndpointOption[] = [
     providers: {
       'Unique America': 'wss://us-ws-quartz.unique.network',
       'Unique Asia': 'wss://asia-ws-quartz.unique.network',
-      'Unique Europe': 'wss://eu-ws-quartz.unique.network',
-      OnFinality: 'wss://quartz.api.onfinality.io/public-ws'
+      'Unique Europe': 'wss://eu-ws-quartz.unique.network'
+      // OnFinality: 'wss://quartz.api.onfinality.io/public-ws' // https://github.com/polkadot-js/apps/issues/8436 re-added added previously removed, still unreachable
     }
   },
   {