diff --git a/vllm/_ipex_ops.py b/vllm/_ipex_ops.py
index 28b804f765a3a..81cffe32967ea 100644
--- a/vllm/_ipex_ops.py
+++ b/vllm/_ipex_ops.py
@@ -25,10 +25,6 @@ def _reshape_activation_tensor(
         x2 = x2.reshape(num, d)
         return x1, x2
 
-    @staticmethod
-    def silu_and_mul(out: torch.Tensor, x: torch.Tensor) -> None:
-        ipex.llm.functional.silu_and_mul(x, out)
-
     @staticmethod
     def gelu_and_mul(out: torch.Tensor, x: torch.Tensor) -> None:
         ipex.llm.functional.gelu_and_mul(x, out)