diff --git a/packages/apps-config/src/endpoints/productionRelayKusama.ts b/packages/apps-config/src/endpoints/productionRelayKusama.ts
index 5887f2bd18..96e8ab1072 100644
--- a/packages/apps-config/src/endpoints/productionRelayKusama.ts
+++ b/packages/apps-config/src/endpoints/productionRelayKusama.ts
@@ -274,7 +274,7 @@ export const prodParasKusama: Omit<EndpointOption, 'teleport'>[] = [
     providers: {
       // 'InvArch Team': 'wss://tinker.invarch.network', // https://github.com/polkadot-js/apps/issues/8623
       Dwellir: 'wss://tinkernet-rpc.dwellir.com',
-      OnFinality: 'wss://invarch-tinkernet.api.onfinality.io/public-ws',
+      // OnFinality: 'wss://invarch-tinkernet.api.onfinality.io/public-ws', // https://github.com/polkadot-js/apps/issues/9955
       'light client': 'light://substrate-connect/kusama/tinkernet'
     },
     text: 'InvArch Tinkernet',
@@ -541,8 +541,8 @@ export const prodParasKusama: Omit<EndpointOption, 'teleport'>[] = [
     info: 'pioneer',
     paraId: 2096,
     providers: {
-      MetaverseNetwork: 'wss://pioneer-rpc-3.bit.country/wss',
-      OnFinality: 'wss://pioneer.api.onfinality.io/public-ws'
+      MetaverseNetwork: 'wss://pioneer-rpc-3.bit.country/wss'
+      // OnFinality: 'wss://pioneer.api.onfinality.io/public-ws' // https://github.com/polkadot-js/apps/issues/9955
     },
     text: 'Pioneer',
     ui: {
diff --git a/packages/apps-config/src/endpoints/testing.ts b/packages/apps-config/src/endpoints/testing.ts
index 7ac13b3b2b..ac86292f08 100644
--- a/packages/apps-config/src/endpoints/testing.ts
+++ b/packages/apps-config/src/endpoints/testing.ts
@@ -559,7 +559,7 @@ export const testChains: Omit<EndpointOption, 'teleport'>[] = [
   {
     info: 'metaquity',
     providers: {
-      'Metaquity Testnet': 'wss://rpc.testnet.metaquity.xyz'
+      // 'Metaquity Testnet': 'wss://rpc.testnet.metaquity.xyz' // https://github.com/polkadot-js/apps/issues/9955
     },
     text: 'Metaquity Network Testnet',
     ui: {
diff --git a/packages/apps-config/src/endpoints/testingRelayWestend.ts b/packages/apps-config/src/endpoints/testingRelayWestend.ts
index 65b23788f2..2425959f36 100644
--- a/packages/apps-config/src/endpoints/testingRelayWestend.ts
+++ b/packages/apps-config/src/endpoints/testingRelayWestend.ts
@@ -132,7 +132,7 @@ export const testParasWestendCommon: EndpointOption[] = [
       'Dwellir Tunisia': 'wss://westmint-rpc-tn.dwellir.com',
       'IBP-GeoDNS1': 'wss://sys.ibp.network/westmint',
       'IBP-GeoDNS2': 'wss://sys.dotters.network/westmint',
-      OnFinality: 'wss://westmint.api.onfinality.io/public-ws',
+      // OnFinality: 'wss://westmint.api.onfinality.io/public-ws', // https://github.com/polkadot-js/apps/issues/9955
       Parity: 'wss://westend-asset-hub-rpc.polkadot.io',
       Stakeworld: 'wss://wnd-rpc.stakeworld.io/assethub'
     },