diff --git a/vllm/model_executor/models/config.py b/vllm/model_executor/models/config.py
index da5d80f9828e..f1ec33ff3de9 100644
--- a/vllm/model_executor/models/config.py
+++ b/vllm/model_executor/models/config.py
@@ -481,12 +481,9 @@ def verify_and_update_config(cls, vllm_config: "VllmConfig") -> None:
         is_v32 = hasattr(hf_config, "index_topk")
         assert is_v32
 
-        # For DeepSeekV3.2, we use a custom fp8 format as default (i.e.
-        #   "auto")
+        # For DeepSeekV3.2, a custom fp8 format is used when fp8 kv-cache is enabled.
         cache_config = vllm_config.cache_config
-        if cache_config.cache_dtype == "auto" or cache_config.cache_dtype.startswith(
-            "fp8"
-        ):
+        if cache_config.cache_dtype.startswith("fp8"):
             cache_config.cache_dtype = "fp8_ds_mla"
             logger.info("Using custom fp8 kv-cache format for DeepSeekV3.2")
         if cache_config.cache_dtype == "bfloat16":