diff --git a/libs/community/langchain_community/chat_models/perplexity.py b/libs/community/langchain_community/chat_models/perplexity.py
index d168b1363e5..f5a58def0e9 100644
--- a/libs/community/langchain_community/chat_models/perplexity.py
+++ b/libs/community/langchain_community/chat_models/perplexity.py
@@ -217,7 +217,7 @@ class ChatPerplexity(BaseChatModel):
         message_dicts, params = self._create_message_dicts(messages, stop)
         params = {**params, **kwargs}
         default_chunk_class = AIMessageChunk
-
+        params.pop("stream", None)
         if stop:
             params["stop_sequences"] = stop
         stream_resp = self.client.chat.completions.create(