diff --git a/src/langchain/solayer/types.ts b/src/langchain/solayer/types.ts
deleted file mode 100644
index de3bcf1..0000000
--- a/src/langchain/solayer/types.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-import { BaseToolResponse } from "../common/types";
-
-export interface StakeResponse extends BaseToolResponse {
-  transaction?: string;
-  amount?: number;
-}