diff --git a/open-sse/config/providerModels.js b/open-sse/config/providerModels.js
index f048d515..ea07cbc6 100644
--- a/open-sse/config/providerModels.js
+++ b/open-sse/config/providerModels.js
@@ -106,7 +106,6 @@ export const PROVIDER_MODELS = {
     { id: "claude-sonnet-4.5", name: "Claude Sonnet 4.5" },
     { id: "claude-haiku-4.5", name: "Claude Haiku 4.5" },
     { id: "deepseek-3.2", name: "DeepSeek 3.2", strip: ["image", "audio"] },
-    { id: "deepseek-3.1", name: "DeepSeek 3.1", strip: ["image", "audio"] },
     { id: "qwen3-coder-next", name: "Qwen3 Coder Next", strip: ["image", "audio"] },
     { id: "glm-5", name: "GLM 5" },
     { id: "MiniMax-M2.5", name: "MiniMax M2.5" },