diff --git a/llama_stack/providers/inline/files/localfs/files.py b/llama_stack/providers/inline/files/localfs/files.py
index 6e0c72de3..afd669673 100644
--- a/llama_stack/providers/inline/files/localfs/files.py
+++ b/llama_stack/providers/inline/files/localfs/files.py
@@ -86,8 +86,8 @@ class LocalfsFilesImpl(Files):
     async def openai_upload_file(
         self,
         file: Annotated[UploadFile, File()],
-        purpose: Annotated[OpenAIFilePurpose, Form()],
-        expires_after: Annotated[ExpiresAfter | None, Form()] = None,
+        purpose: OpenAIFilePurpose,
+        expires_after: ExpiresAfter | None = None,
     ) -> OpenAIFileObject:
         """Upload a file that can be used across various endpoints."""
         if not self.sql_store:
diff --git a/llama_stack/providers/remote/files/s3/files.py b/llama_stack/providers/remote/files/s3/files.py
index 8520f70b6..4bd0ee512 100644
--- a/llama_stack/providers/remote/files/s3/files.py
+++ b/llama_stack/providers/remote/files/s3/files.py
@@ -194,8 +194,8 @@ class S3FilesImpl(Files):
     async def openai_upload_file(
         self,
         file: Annotated[UploadFile, File()],
-        purpose: Annotated[OpenAIFilePurpose, Form()],
-        expires_after: Annotated[ExpiresAfter | None, Form()] = None,
+        purpose: OpenAIFilePurpose,
+        expires_after: ExpiresAfter | None = None,
     ) -> OpenAIFileObject:
         file_id = f"file-{uuid.uuid4().hex}"