diff --git a/packages/apps-config/src/links/polkascan.ts b/packages/apps-config/src/links/polkascan.ts
index faededf97e..3dad68b414 100644
--- a/packages/apps-config/src/links/polkascan.ts
+++ b/packages/apps-config/src/links/polkascan.ts
@@ -6,11 +6,10 @@ import BN from 'bn.js';
 
 export default {
   chains: {
-    'Centrifuge Mainnet': 'centrifuge',
-    Edgeware: 'edgeware',
-    Kulupu: 'kulupu',
+    // 'Centrifuge Mainnet': 'centrifuge',
+    // Edgeware: 'edgeware',
+    // Kulupu: 'kulupu',
     Kusama: 'kusama',
-    'Kusama CC3': 'kusama',
     'Polkadot CC1': 'polkadot-cc1'
   },
   create: (chain: string, path: string, data: BN | number | string): string =>