diff --git a/tests/model_executor/test_guided_processors.py b/tests/model_executor/test_guided_processors.py
index 426cc20927875..be5282d9c8223 100644
--- a/tests/model_executor/test_guided_processors.py
+++ b/tests/model_executor/test_guided_processors.py
@@ -12,7 +12,6 @@
     JSONLogitsProcessor, RegexLogitsProcessor)
 from vllm.sampling_params import GuidedDecodingParams
 
-GUIDED_DECODING_BACKENDS = ["outlines", "lm-format-enforcer", "xgrammar"]
 MODEL_NAME = 'HuggingFaceH4/zephyr-7b-beta'
 GUIDED_DECODING_BACKENDS = ["outlines", "lm-format-enforcer", "xgrammar"]