diff --git a/packages/apps-config/src/endpoints/production.ts b/packages/apps-config/src/endpoints/production.ts
index b8f4dfdff8..9953b1c49e 100644
--- a/packages/apps-config/src/endpoints/production.ts
+++ b/packages/apps-config/src/endpoints/production.ts
@@ -48,7 +48,10 @@ export function createProduction (t: TFunction, firstOnly: boolean, withSort: bo
       }
     },
     {
+      // this is also a duplicate as a parachain under Polkadot and Testing net -
+      // it is either/or, not and
       info: 'coinversation',
+      isDisabled: true, // https://github.com/polkadot-js/apps/issues/6635
       text: t('rpc.prod.coinversation', 'Coinversation', { ns: 'apps-config' }),
       providers: {
         Coinversation: 'wss://rpc.coinversation.io/'
diff --git a/packages/apps-config/src/endpoints/productionRelayKusama.ts b/packages/apps-config/src/endpoints/productionRelayKusama.ts
index 1349a563a2..a34ffc7c52 100644
--- a/packages/apps-config/src/endpoints/productionRelayKusama.ts
+++ b/packages/apps-config/src/endpoints/productionRelayKusama.ts
@@ -348,6 +348,7 @@ export function createKusama (t: TFunction): EndpointOption {
       },
       {
         info: 'zeitgeist',
+        isUnreachable: true, // https://github.com/polkadot-js/apps/issues/6635
         homepage: 'https://zeitgeist.pm',
         paraId: 2101,
         text: t('rpc.kusama.zeitgeist', 'Zeitgeist', { ns: 'apps-config' }),
diff --git a/packages/apps-config/src/endpoints/productionRelayPolkadot.ts b/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
index 7ec0279123..a96f138a3d 100644
--- a/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
+++ b/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
@@ -97,10 +97,12 @@ export function createPolkadot (t: TFunction): EndpointOption {
         }
       },
       {
+        // this is also a duplicate as a Live and Testing network -
+        // it is either/or, not and
         info: 'coinversation',
+        isUnreachable: true, // https://github.com/polkadot-js/apps/issues/6635
         homepage: 'http://www.coinversation.io/',
         paraId: 2027,
-        isUnreachable: true,
         text: t('rpc.polkadot.coinversation', 'Coinversation', { ns: 'apps-config' }),
         providers: {
           Coinversation: 'wss://rpc.coinversation.io/'
diff --git a/packages/apps-config/src/endpoints/testing.ts b/packages/apps-config/src/endpoints/testing.ts
index 415f70ac92..2cbe44d54f 100644
--- a/packages/apps-config/src/endpoints/testing.ts
+++ b/packages/apps-config/src/endpoints/testing.ts
@@ -90,7 +90,10 @@ export function createTesting (t: TFunction, firstOnly: boolean, withSort: boole
       }
     },
     {
+      // this is also a duplicate as a parachain under Polkadot and live under production -
+      // it is either/or, not and
       info: 'coinversation',
+      isDisabled: true, // https://github.com/polkadot-js/apps/issues/6635
       text: t('rpc.test.coinversation', 'Coinversation', { ns: 'apps-config' }),
       providers: {
         Coinversation: 'wss://rpc.coinversation.io/'
@@ -264,6 +267,7 @@ export function createTesting (t: TFunction, firstOnly: boolean, withSort: boole
     },
     {
       info: 'kylin',
+      isDisabled: true, // https://github.com/polkadot-js/apps/issues/6635
       text: t('testnet.kylin-node.co.uk', 'Kylin Testnet', { ns: 'apps-config' }),
       providers: {
         'Kylin Network': 'wss://testnet.kylin-node.co.uk'