diff --git a/langchain/src/agents/agent.ts b/langchain/src/agents/agent.ts
index 84fcb49d199e..1834366adca2 100644
--- a/langchain/src/agents/agent.ts
+++ b/langchain/src/agents/agent.ts
@@ -103,7 +103,6 @@ export class LLMSingleActionAgent extends BaseSingleActionAgent {
     this.stop = input.stop;
     this.llmChain = input.llmChain;
     this.outputParser = input.outputParser;
-    this.stop = input.stop;
   }
 
   get inputKeys(): string[] {