diff --git a/packages/components/src/Interface.ts b/packages/components/src/Interface.ts
index 942754ca..47b5aba2 100644
--- a/packages/components/src/Interface.ts
+++ b/packages/components/src/Interface.ts
@@ -119,8 +119,6 @@ export interface IMessage {
 
 import { PromptTemplate as LangchainPromptTemplate, PromptTemplateInput } from 'langchain/prompts'
 import { VectorStore } from 'langchain/vectorstores/base'
-import { BaseLanguageModel } from 'langchain/base_language'
-import { Embeddings } from 'langchain/embeddings/base'
 
 export class PromptTemplate extends LangchainPromptTemplate {
     promptValues: ICommonObject
@@ -168,11 +166,3 @@ export class VectorStoreRetriever {
         this.vectorStore = fields.vectorStore
     }
 }
-
-export interface HyDERetrieverInput {
-    llm: BaseLanguageModel
-    vectorStore: VectorStore
-    embeddings: Embeddings
-    promptKey: string
-    topK: number
-}