diff --git a/open_notebook/llms.py b/open_notebook/llms.py
index 1f82ac7..c6357d1 100644
--- a/open_notebook/llms.py
+++ b/open_notebook/llms.py
@@ -136,7 +136,6 @@ class VertexAILanguageModel(LanguageModel):
             location=self.location,
             project=self.project,
             safety_settings=None,
-            api_key="AIzaSyCt4zB5eZVZPh7WRxIh9oY_rwblP6BOyWE",
         )