diff --git a/packages/apps-config/src/endpoints/testing.ts b/packages/apps-config/src/endpoints/testing.ts
index dc9a7de5b9..9332a620dc 100644
--- a/packages/apps-config/src/endpoints/testing.ts
+++ b/packages/apps-config/src/endpoints/testing.ts
@@ -490,7 +490,7 @@ export const testChains: EndpointOption[] = [
   {
     info: 'acala',
     providers: {
-      Acala: 'wss://mandala.polkawallet.io'
+      // Acala: 'wss://mandala.polkawallet.io' // https://github.com/polkadot-js/apps/issues/9005
       // OnFinality: 'wss://acala-mandala.api.onfinality.io/public-ws' // https://github.com/polkadot-js/apps/issues/8105
     },
     text: 'Mandala',
diff --git a/packages/apps-config/src/endpoints/testingRelayRococo.ts b/packages/apps-config/src/endpoints/testingRelayRococo.ts
index 53d04fc3b5..d71d4a2818 100644
--- a/packages/apps-config/src/endpoints/testingRelayRococo.ts
+++ b/packages/apps-config/src/endpoints/testingRelayRococo.ts
@@ -360,7 +360,7 @@ export const testParasRococo: EndpointOption[] = [
     info: 'rococoPangolin',
     paraId: 2105,
     providers: {
-      'Darwinia Network': 'wss://pangolin-parachain-rpc.darwinia.network'
+      // 'Darwinia Network': 'wss://pangolin-parachain-rpc.darwinia.network' // https://github.com/polkadot-js/apps/issues/9005
     },
     text: 'Pangolin',
     ui: {