diff --git a/src/openai/types/shared/all_models.py b/src/openai/types/shared/all_models.py
index c4635e2140..db8410773e 100644
--- a/src/openai/types/shared/all_models.py
+++ b/src/openai/types/shared/all_models.py
@@ -8,9 +8,5 @@
 __all__ = ["AllModels"]
 
 AllModels: TypeAlias = Union[
-    str,
-    ChatModel,
-    str,
-    ChatModel,
-    Literal["o1-pro", "o1-pro-2025-03-19", "computer-use-preview", "computer-use-preview-2025-03-11"],
+    str, ChatModel, Literal["o1-pro", "o1-pro-2025-03-19", "computer-use-preview", "computer-use-preview-2025-03-11"]
 ]