diff --git a/docs/extras/use_cases/chatbots/voice_assistant.ipynb b/docs/extras/use_cases/chatbots/voice_assistant.ipynb
index 212943002c..7969caf6f6 100644
--- a/docs/extras/use_cases/chatbots/voice_assistant.ipynb
+++ b/docs/extras/use_cases/chatbots/voice_assistant.ipynb
@@ -17,7 +17,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from langchain import OpenAI, ConversationChain, LLMChain, PromptTemplate\n",
+    "from langchain import OpenAI, LLMChain, PromptTemplate\n",
     "from langchain.memory import ConversationBufferWindowMemory\n",
     "\n",
     "\n",