diff --git a/src/renderer/src/aiCore/provider/providerConfig.ts b/src/renderer/src/aiCore/provider/providerConfig.ts
index 3ed3633d7..528cc8f66 100644
--- a/src/renderer/src/aiCore/provider/providerConfig.ts
+++ b/src/renderer/src/aiCore/provider/providerConfig.ts
@@ -336,7 +336,6 @@ export async function prepareSpecialProviderConfig(
             ...(config.options.headers ? config.options.headers : {}),
             'Content-Type': 'application/json',
             'anthropic-version': '2023-06-01',
-            'anthropic-beta': 'oauth-2025-04-20',
             Authorization: `Bearer ${oauthToken}`
           },
           baseURL: 'https://api.anthropic.com/v1',