diff --git a/src/shared-endpoints.ts b/src/shared-endpoints.ts
index c65a2ef..1f3a9b2 100644
--- a/src/shared-endpoints.ts
+++ b/src/shared-endpoints.ts
@@ -110,14 +110,6 @@ export default class SharedEndpoints {
   }): GenericAPIResponse {
     return this.requestWrapper.get('v2/private/wallet/withdraw/list', params);
   }
-  
-  getAssetExchangeRecords(params?: {
-    limit?: number;
-    from?: number;
-    direction?: string;
-  }): GenericAPIResponse {
-    return this.requestWrapper.get('v2/private/exchange-order/list', params);
-  }
 
   getAssetExchangeRecords(params?: {
     limit?: number;
diff --git a/src/websocket-client.ts b/src/websocket-client.ts
index 27d9825..7e23e42 100644
--- a/src/websocket-client.ts
+++ b/src/websocket-client.ts
@@ -76,13 +76,9 @@ const getLinearWsKeyForTopic = (topic: string) => {
 }
 
 export declare interface WebsocketClient {
-  on(event: 'open', listener: ({ wsKey: string, event: any }) => void): this;
-  on(event: 'reconnected', listener: ({ wsKey: string, event: any }) => void): this;
-  on(event: 'reconnect', listener: () => void): this;
-  on(event: 'close', listener: () => void): this;
-  on(event: 'response', listener: (response: any) => void): this;
-  on(event: 'update', listener: (response: any) => void): this;
-  on(event: 'error', listener: (response: any) => void): this;
+  on(event: 'open' | 'reconnected', listener: ({ wsKey: string, event: any }) => void): this;
+  on(event: 'response' | 'update' | 'error', listener: (response: any) => void): this;
+  on(event: 'reconnect' | 'close', listener: () => void): this;
 }
 
 export class WebsocketClient extends EventEmitter {