diff --git a/packages/dcent/src/index.ts b/packages/dcent/src/index.ts
index 14ad919a0..51a2ba4bb 100644
--- a/packages/dcent/src/index.ts
+++ b/packages/dcent/src/index.ts
@@ -12,7 +12,11 @@ import {
 } from '@web3-onboard/common'
 
 import type { providers } from 'ethers'
-import type { CustomWindow } from '@web3-onboard/injected-wallets/src/types'
+
+interface CustomWindow extends Window {
+  ethereum: EIP1193Provider
+}
+  
 declare const window: CustomWindow
 
 const DEFAULT_BASE_PATH = "m/44'/60'/0'/0/0"
diff --git a/packages/injected/src/types.ts b/packages/injected/src/types.ts
index 655fb89c1..2eddf8276 100644
--- a/packages/injected/src/types.ts
+++ b/packages/injected/src/types.ts
@@ -92,7 +92,6 @@ export enum InjectedNameSpace {
   XFI = 'xfi'
 }
 
-//   Arbitrum = 'arbitrum'
 export interface CustomWindow extends Window {
   BinanceChain: BinanceProvider
   ethereum: InjectedProvider