diff --git a/agent/core/hf_tokens.py b/agent/core/hf_tokens.py
index 3e72ccc1..e2e48b68 100644
--- a/agent/core/hf_tokens.py
+++ b/agent/core/hf_tokens.py
@@ -66,7 +66,7 @@ def bearer_token_from_header(auth_header: str | None) -> str | None:
 def resolve_hf_request_token(
     request: Any,
     *,
-    include_env_fallback: bool = True,
+    include_env_fallback: bool = False,
 ) -> str | None:
     """Resolve a user token from a FastAPI request.