diff --git a/langchain-core/src/language_models/chat_models.ts b/langchain-core/src/language_models/chat_models.ts
index a44525fb7e86..f3b900427ba0 100644
--- a/langchain-core/src/language_models/chat_models.ts
+++ b/langchain-core/src/language_models/chat_models.ts
@@ -771,7 +771,7 @@ export abstract class BaseChatModel<
           parsed: RunOutput;
         }
       > {
-    if (!("bindTools" in this) || typeof this.bindTools !== "function") {
+    if (typeof this.bindTools !== "function") {
       throw new Error(
         `Chat model must implement ".bindTools()" to use withStructuredOutput.`
       );
@@ -897,4 +897,4 @@ export abstract class SimpleChatModel<
       ],
     };
   }
-}
\ No newline at end of file
+}