diff --git a/docs/core_docs/docs/integrations/chat/deepseek.ipynb b/docs/core_docs/docs/integrations/chat/deepseek.ipynb
index 85d36d5455f4..cde68ff0a773 100644
--- a/docs/core_docs/docs/integrations/chat/deepseek.ipynb
+++ b/docs/core_docs/docs/integrations/chat/deepseek.ipynb
@@ -193,16 +193,6 @@
     ")"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "id": "d1ee55bc-ffc8-4cfa-801c-993953a08cfd",
-   "metadata": {},
-   "source": [
-    "## TODO: Any functionality specific to this model provider\n",
-    "\n",
-    "E.g. creating/using finetuned models via this provider. Delete if not relevant."
-   ]
-  },
   {
    "cell_type": "markdown",
    "id": "3a5bb5ca-c3ae-4a58-be67-2cd18574b9a3",
diff --git a/libs/langchain-deepseek/src/chat_models.ts b/libs/langchain-deepseek/src/chat_models.ts
index 2c8c375eadf5..7afc479745ed 100644
--- a/libs/langchain-deepseek/src/chat_models.ts
+++ b/libs/langchain-deepseek/src/chat_models.ts
@@ -1,5 +1,10 @@
 import { getEnvironmentVariable } from "@langchain/core/utils/env";
-import { ChatOpenAI, ChatOpenAICallOptions, ChatOpenAIFields, OpenAIClient } from "@langchain/openai";
+import {
+  ChatOpenAI,
+  ChatOpenAICallOptions,
+  ChatOpenAIFields,
+  OpenAIClient,
+} from "@langchain/openai";
 
 export interface ChatDeepseekCallOptions extends ChatOpenAICallOptions {
   headers?: Record<string, string>;
@@ -317,8 +322,7 @@ export class ChatDeepseek extends ChatOpenAI<ChatDeepseekCallOptions> {
       rawResponse,
       defaultRole
     );
-    messageChunk.additional_kwargs.reasoning_content =
-      delta.reasoning_content;
+    messageChunk.additional_kwargs.reasoning_content = delta.reasoning_content;
     return messageChunk;
   }
 
@@ -336,4 +340,4 @@ export class ChatDeepseek extends ChatOpenAI<ChatDeepseekCallOptions> {
     ).reasoning_content;
     return langChainMessage;
   }
-}
\ No newline at end of file
+}
diff --git a/libs/langchain-deepseek/src/tests/chat_models.int.test.ts b/libs/langchain-deepseek/src/tests/chat_models.int.test.ts
index 4e1408e19824..5ca45ffd92ea 100644
--- a/libs/langchain-deepseek/src/tests/chat_models.int.test.ts
+++ b/libs/langchain-deepseek/src/tests/chat_models.int.test.ts
@@ -11,5 +11,7 @@ test("Can send deepseek-reasoner requests", async () => {
   // Models also accept a list of chat messages or a formatted prompt
   const result = await llm.invoke(input);
   console.log(result);
-  expect((result.additional_kwargs.reasoning_content as any).length).toBeGreaterThan(10);
+  expect(
+    (result.additional_kwargs.reasoning_content as any).length
+  ).toBeGreaterThan(10);
 });