diff --git a/packages/network/src/constants.ts b/packages/network/src/constants.ts
index a524cf596..8356a459d 100644
--- a/packages/network/src/constants.ts
+++ b/packages/network/src/constants.ts
@@ -136,13 +136,7 @@ export enum ChainId {
 
   // MOONBEAM
   MOONBEAM = 1284,
-  MOONBASE_ALPHA = 1287,
-
-  //MONAD_TESTNET
-  MONAD_TESTNET = 10143,
-
-  //SOMNIA_TESTNET
-  SOMNIA_TESTNET = 50312
+  MOONBASE_ALPHA = 1287
 }
 
 export const networks: Record<ChainId, NetworkMetadata> = {
@@ -1115,41 +1109,6 @@ export const networks: Record<ChainId, NetworkMetadata> = {
       name: 'Tez',
       decimals: 18
     }
-  },
-  [ChainId.MONAD_TESTNET]: {
-    chainId: ChainId.MONAD_TESTNET,
-    type: NetworkType.TESTNET,
-    name: 'monad-testnet',
-    title: 'MONAD Testnet',
-    logoURI: `https://assets.sequence.info/images/networks/medium/${ChainId.MONAD_TESTNET}.webp`,
-    testnet: true,
-    blockExplorer: {
-      name: 'MONAD Testnet Explorer',
-      rootUrl: 'https://testnet.monadexplorer.com/'
-    },
-    nativeToken: {
-      symbol: 'MON',
-      name: 'MON',
-      decimals: 18
-    }
-  },
-
-  [ChainId.SOMNIA_TESTNET]: {
-    chainId: ChainId.SOMNIA_TESTNET,
-    type: NetworkType.TESTNET,
-    name: 'somnia-testnet',
-    title: 'SOMNIA Testnet',
-    logoURI: `https://assets.sequence.info/images/networks/medium/${ChainId.SOMNIA_TESTNET}.webp`,
-    testnet: true,
-    blockExplorer: {
-      name: 'SOMNIA Testnet Explorer',
-      rootUrl: 'https://somnia-testnet.socialscan.io/'
-    },
-    nativeToken: {
-      symbol: 'STT',
-      name: 'STT',
-      decimals: 18
-    }
   }
 }