diff --git a/app/api/langchain-tools/edge_tools.ts b/app/api/langchain-tools/edge_tools.ts
index f67de5e8e..02451579b 100644
--- a/app/api/langchain-tools/edge_tools.ts
+++ b/app/api/langchain-tools/edge_tools.ts
@@ -38,37 +38,6 @@ export class EdgeTool {
   }
 
   async getCustomTools(): Promise<any[]> {
-    // let searchTool: Tool = new DuckDuckGo();
-    // if (process.env.CHOOSE_SEARCH_ENGINE) {
-    //     switch (process.env.CHOOSE_SEARCH_ENGINE) {
-    //         case "google":
-    //             searchTool = new GoogleSearch();
-    //             break;
-    //         case "baidu":
-    //             searchTool = new BaiduSearch();
-    //             break;
-    //     }
-    // }
-    // if (process.env.BING_SEARCH_API_KEY) {
-    //     let bingSearchTool = new langchainTools["BingSerpAPI"](
-    //         process.env.BING_SEARCH_API_KEY,
-    //     );
-    //     searchTool = new DynamicTool({
-    //         name: "bing_search",
-    //         description: bingSearchTool.description,
-    //         func: async (input: string) => bingSearchTool.call(input),
-    //     });
-    // }
-    // if (process.env.SERPAPI_API_KEY) {
-    //     let serpAPITool = new langchainTools["SerpAPI"](
-    //         process.env.SERPAPI_API_KEY,
-    //     );
-    //     searchTool = new DynamicTool({
-    //         name: "google_search",
-    //         description: serpAPITool.description,
-    //         func: async (input: string) => serpAPITool.call(input),
-    //     });
-    // }
     const webBrowserTool = new WebBrowser({
       model: this.model,
       embeddings: this.embeddings,
@@ -79,7 +48,6 @@ export class EdgeTool {
       this.baseUrl,
       this.callback,
     );
-    dallEAPITool.returnDirect = true;
     const stableDiffusionTool = new StableDiffusionWrapper();
     const arxivAPITool = new ArxivAPIWrapper();
     return [