diff --git a/data/networks.json b/data/networks.json
index fc0b5f4..3f480fe 100644
--- a/data/networks.json
+++ b/data/networks.json
@@ -250,101 +250,5 @@
         "type": "evm"
       }
     ]
-  },
-  "eth_mainnet": {
-    "chain_id": 1,
-    "chain_name": "Ethereum Mainnet",
-    "assets": [
-      {
-        "denoms": [
-          {
-            "denom": "wei",
-            "exponent": 0
-          },
-          {
-            "denom": "eth",
-            "exponent": 18
-          }
-        ],
-        "base": "eth",
-        "symbol": "ETH"
-      }
-    ],
-    "apps": [
-      {
-        "type": "explorer",
-        "url": "https://etherscan.io",
-        "tx": "/tx/${tx}",
-        "address": "/address/${address}"
-      }
-    ],
-    "fees": {
-      "assets": [
-        {
-          "denom": "eth",
-          "gas": 5000000,
-          "gas_price": 80000000000
-        }
-      ]
-    },
-    "api": [
-      {
-        "url": "https://rpc.ankr.com/eth",
-        "type": "evm"
-      }
-    ]
-  },
-  "baobab_testnet": {
-    "chain_id": 1001,
-    "chain_name": "Klaytn Baobab Testnet",
-    "assets": [
-      {
-        "denoms": [
-          {
-            "denom": "peb",
-            "exponent": 0
-          },
-          {
-            "denom": "kpeb",
-            "exponent": 3
-          },
-          {
-            "denom": "mpeb",
-            "exponent": 6
-          },
-          {
-            "denom": "gpeb",
-            "exponent": 9
-          },
-          {
-            "denom": "uklay",
-            "exponent": 12
-          },
-          {
-            "denom": "klay",
-            "exponent": 18
-          }
-        ],
-        "base": "klay",
-        "symbol": "KLAY"
-      }
-    ],
-    "apps": [
-      {
-        "type": "explorer",
-        "url": "https://baobab.scope.klaytn.com/",
-        "tx": "/tx/${tx}",
-        "address": "/account/${address}"
-      }
-    ],
-    "fees": {
-      "assets": [
-        {
-          "denom": "klay",
-          "gas": 6000000,
-          "gas_price": 54250000000
-        }
-      ]
-    }
   }
 }
\ No newline at end of file