diff --git a/packages/apps-config/src/endpoints/production.ts b/packages/apps-config/src/endpoints/production.ts
index d39350c1e1..6fca5fa821 100644
--- a/packages/apps-config/src/endpoints/production.ts
+++ b/packages/apps-config/src/endpoints/production.ts
@@ -336,7 +336,7 @@ export const prodChains: Omit<EndpointOption, 'teleport'>[] = [
   {
     info: 'kulupu',
     providers: {
-      Kulupu: 'wss://rpc.kulupu.corepaper.org/ws'
+      // Kulupu: 'wss://rpc.kulupu.corepaper.org/ws' https://github.com/polkadot-js/apps/issues/11157
     },
     text: 'Kulupu',
     ui: {
@@ -416,7 +416,7 @@ export const prodChains: Omit<EndpointOption, 'teleport'>[] = [
   {
     info: 'neatcoin',
     providers: {
-      Neatcoin: 'wss://rpc.neatcoin.org/ws'
+      // Neatcoin: 'wss://rpc.neatcoin.org/ws' https://github.com/polkadot-js/apps/issues/11157
     },
     text: 'Neatcoin',
     ui: {}
diff --git a/packages/apps-config/src/endpoints/productionRelayKusama.ts b/packages/apps-config/src/endpoints/productionRelayKusama.ts
index 22d4ba20db..d5e8d557d0 100644
--- a/packages/apps-config/src/endpoints/productionRelayKusama.ts
+++ b/packages/apps-config/src/endpoints/productionRelayKusama.ts
@@ -77,8 +77,8 @@ export const prodParasKusama: Omit<EndpointOption, 'teleport'>[] = [
     paraId: 2119,
     providers: {
       AjunaNetwork: 'wss://rpc-para.bajun.network',
-      OnFinality: 'wss://bajun.api.onfinality.io/public-ws',
-      RadiumBlock: 'wss://bajun.public.curie.radiumblock.co/ws'
+      OnFinality: 'wss://bajun.api.onfinality.io/public-ws'
+      // RadiumBlock: 'wss://bajun.public.curie.radiumblock.co/ws' https://github.com/polkadot-js/apps/issues/11157
     },
     text: 'Bajun Network',
     ui: {
diff --git a/packages/apps-config/src/endpoints/productionRelayPolkadot.ts b/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
index e1c6bbb0de..520c9805a4 100644
--- a/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
+++ b/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
@@ -227,7 +227,7 @@ export const prodParasPolkadot: Omit<EndpointOption, 'teleport'>[] = [
     paraId: 2046,
     providers: {
       Darwinia: 'wss://rpc.darwinia.network',
-      Dcdao: 'wss://darwinia-rpc.dcdao.box',
+      // Dcdao: 'wss://darwinia-rpc.dcdao.box', https://github.com/polkadot-js/apps/issues/11157
       Dwellir: 'wss://darwinia-rpc.dwellir.com',
       Subquery: 'wss://darwinia.rpc.subquery.network/public/ws'
     },
@@ -821,7 +821,7 @@ export const prodParasPolkadot: Omit<EndpointOption, 'teleport'>[] = [
     info: 't3rn',
     paraId: 3333,
     providers: {
-      t3rn: 'wss://ws.t3rn.io'
+      // t3rn: 'wss://ws.t3rn.io' https://github.com/polkadot-js/apps/issues/11157
     },
     text: 't3rn',
     ui: {
diff --git a/packages/apps-config/src/endpoints/testing.ts b/packages/apps-config/src/endpoints/testing.ts
index 8519ee6279..3a3427b4d7 100644
--- a/packages/apps-config/src/endpoints/testing.ts
+++ b/packages/apps-config/src/endpoints/testing.ts
@@ -453,7 +453,7 @@ export const testChains: Omit<EndpointOption, 'teleport'>[] = [
   {
     info: 'interlay-testnet',
     providers: {
-      Interlay: 'wss://api-testnet.interlay.io/parachain/'
+      // Interlay: 'wss://api-testnet.interlay.io/parachain/' https://github.com/polkadot-js/apps/issues/11157
     },
     text: 'Interlay Testnet',
     ui: {