diff --git a/.changeset/tame-dragons-arrive.md b/.changeset/tame-dragons-arrive.md
new file mode 100644
index 0000000..7ad7981
--- /dev/null
+++ b/.changeset/tame-dragons-arrive.md
@@ -0,0 +1,5 @@
+---
+"@babylonlabs-io/bbn-wallet-connect": patch
+---
+
+add unsubscribe method to BTCProvider
diff --git a/src/core/wallets/btc/BTCProvider.ts b/src/core/wallets/btc/BTCProvider.ts
index 22d0fc0..2ac2078 100644
--- a/src/core/wallets/btc/BTCProvider.ts
+++ b/src/core/wallets/btc/BTCProvider.ts
@@ -68,6 +68,8 @@ export abstract class BTCProvider implements IProvider {
    */
   abstract on(eventName: string, callBack: () => void): void;
 
+  abstract off(eventName: string, callBack: () => void): void;
+
   /**
    * Gets the balance for the connected wallet address.
    * By default, this method will return the mempool balance if not implemented by the child class.
diff --git a/src/core/wallets/btc/okx/provider.ts b/src/core/wallets/btc/okx/provider.ts
index 7b42456..2dfa942 100644
--- a/src/core/wallets/btc/okx/provider.ts
+++ b/src/core/wallets/btc/okx/provider.ts
@@ -133,6 +133,16 @@ export class OKXProvider extends BTCProvider {
     }
   };
 
+  off = (eventName: string, callBack: () => void) => {
+    if (!this.walletInfo) {
+      throw new Error("OKX Wallet not connected");
+    }
+    // subscribe to account change event
+    if (eventName === "accountChanged") {
+      return this.provider.off(eventName, callBack);
+    }
+  };
+
   // Mempool calls
   getBalance = async (): Promise<number> => {
     return await this.mempool.getAddressBalance(await this.getAddress());