diff --git a/vllm/v1/engine/core_client.py b/vllm/v1/engine/core_client.py
index 02d9838e21d52..f13993fc9ff5a 100644
--- a/vllm/v1/engine/core_client.py
+++ b/vllm/v1/engine/core_client.py
@@ -206,7 +206,7 @@ def add_request(self, request: EngineCoreRequest) -> None:
     def abort_requests(self, request_ids: List[str]) -> None:
         self._send_input(EngineCoreRequestType.ABORT, request_ids)
 
-    async def profile(self, is_start=True) -> None:
+    def profile(self, is_start=True) -> None:
         self._send_input(EngineCoreRequestType.PROFILE,
                          EngineCoreProfile(is_start))