diff --git a/tpu_inference/platforms/tpu_platform.py b/tpu_inference/platforms/tpu_platform.py
index c85070da44..1c9478c9f4 100644
--- a/tpu_inference/platforms/tpu_platform.py
+++ b/tpu_inference/platforms/tpu_platform.py
@@ -247,9 +247,8 @@ def supports_v1(cls, model_config: ModelConfig) -> bool:
     @classmethod
     def validate_request(
         cls,
-        prompt: PromptType,
-        params: Union["SamplingParams", PoolingParams],
         processed_inputs: ProcessorInputs,
+        params: Union["SamplingParams", PoolingParams],
     ) -> None:
         """Raises if this request is unsupported on this platform"""
         from vllm.sampling_params import SamplingParams, SamplingType