diff --git a/index.d.ts b/index.d.ts
index 57ef1f8..4e51a25 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -336,13 +336,6 @@ declare namespace COS {
     /** 发请求时带上的 Header 字段 */
     Headers?: Headers;
     tracker?: any;
-    /** 加密相关 */
-    ServerSideEncryption?: string;
-    SSECustomerAlgorithm?: string;
-    SSECustomerKey?: string;
-    SSECustomerKeyMD5?: string;
-    SSEKMSKeyId?: string;
-    SSEContext?: string;
   }
 
   // 所有接口的入参和出参