diff --git a/apps/base/customer1/openclaw/vllm-gemma.yaml b/apps/base/customer1/openclaw/vllm-gemma.yaml
index b6460b4..be71d24 100644
--- a/apps/base/customer1/openclaw/vllm-gemma.yaml
+++ b/apps/base/customer1/openclaw/vllm-gemma.yaml
@@ -27,8 +27,6 @@ spec:
           image: vllm/vllm-openai:latest
           command: ["python3", "-m", "vllm.entrypoints.openai.api_server"]
           env:
-            - name: VLLM_ATTENTION_BACKEND
-              value: "XFORMERS"
             - name: HF_TOKEN
               value: ""
             - name: VLLM_TOKENIZER_MODE