diff --git a/api/common/@system.cipher.d.ts b/api/common/@system.cipher.d.ts
deleted file mode 100644
index cffd00ed3a3fd1ef1426a05eab2e4aa08e92292a..0000000000000000000000000000000000000000
--- a/api/common/@system.cipher.d.ts
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * Copyright (c) 2020 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * @devices smartVision
- */
-export interface CipherResponse {
-  /**
-   * response text
-   * @devices smartVision
-   */
-  text: string;
-}
-
-/**
- * @devices smartVision
- */
-export interface CipherRsaOptions {
-  /**
-   * Action type.
-   * The options are as follows:
-   *   encrypt: Encrypts data.
-   *   decrypt: Decrypts data.
-   * @devices smartVision
-   * @since 3
-   */
-  action: string;
-
-  /**
-   * Text content to be encrypted or decrypted.
-   * The text to be encrypted must be a common text and cannot exceed the length calculated based on the formula (keySize/8 - 66).
-   * keySize indicates the key length.
-   * For example, if the key length is 1024 bytes, the text cannot exceed 62 bytes (1024/8 - 66 = 62).
-   * The text content to be decrypted must be a binary value encoded using Base64.
-   * The default format is used for Base64 encoding.
-   * @devices smartVision
-   * @since 3
-   */
-  text: string;
-
-  /**
-   * Keys encrypted using RSA.
-   * During encryption, this parameter is a public key.
-   * During decryption, it is a private key.
-   * @devices smartVision
-   * @since 3
-   */
-  key: string;
-
-  /**
-   * RSA algorithm padding.
-   * The default value is RSA/None/OAEPWithSHA256AndMGF1Padding.
-   * @devices smartVision
-   * @since 3
-   */
-  transformation?: string;
-
-  /**
-   * Called when data is encrypted or decrypted successfully.
-   * @devices smartVision
-   * @since 3
-   */
-  success: (data: CipherResponse) => void;
-
-  /**
-   * Called when data fails to be encrypted or decrypted.
-   * @devices smartVision
-   * @since 3
-   */
-  fail: (data: string, code: number) => void;
-
-  /**
-   * Called when the execution is completed.
-   * @devices smartVision
-   * @since 3
-   */
-  complete: () => void;
-}
-
-/**
- * @devices smartVision
- */
-export interface CipherAesOptions {
-  /**
-   * Action type.
-   * The options are as follows:
-   *   encrypt: Encrypts data.
-   *   decrypt: Decrypts data.
-   * @devices smartVision
-   * @since 3
-   */
-  action: string;
-
-  /**
-   * Text content to be encrypted or decrypted.
-   * The text to be encrypted must be a common text.
-   * The text content to be decrypted must be a binary value encoded using Base64.
-   * The default format is used for Base64 encoding.
-   * @devices smartVision
-   * @since 3
-   */
-  text: string;
-
-  /**
-   * Key used for encryption or decryption, which is a character string encrypted using Base64.
-   * @devices smartVision
-   * @since 3
-   */
-  key: string;
-
-  /**
-   * Encryption mode and padding of the AES algorithm.
-   * The default value is AES/CBC/PKCS5Padding.
-   * @devices smartVision
-   * @since 3
-   */
-  transformation?: string;
-
-  /**
-   * Initial vector for AES-based encryption and decryption.
-   * The value is a character string encoded using Base64.
-   * The default value is the key value.
-   * @devices smartVision
-   * @since 3
-   */
-  iv?: string;
-
-  /**
-   * Offset of the initial vector for AES-based encryption and decryption.
-   * The default value is 0.
-   * @devices smartVision
-   * @since 3
-   */
-  ivOffset?: string;
-
-  /**
-   * Length of the initial vector for AES-based encryption and decryption.
-   * The default value is 16.
-   * @devices smartVision
-   * @since 3
-   */
-  ivLen?: string;
-
-  /**
-   * Called when data is encrypted or decrypted successfully.
-   * @devices smartVision
-   * @since 3
-   */
-  success: (data: CipherResponse) => void;
-
-  /**
-   * Called when data fails to be encrypted or decrypted.
-   * @devices smartVision
-   * @since 3
-   */
-  fail: (data: string, code: number) => void;
-
-  /**
-   * Called when the execution is completed.
-   * @devices smartVision
-   * @since 3
-   */
-  complete: () => void;
-}
-
-/**
- * @devices smartVision
- */
-export default class Cipher {
-  /**
-   * Encrypts or decrypts data using RSA.
-   * @param options RSA options
-   * @devices smartVision
-   */
-  static rsa(options: CipherRsaOptions): void;
-
-  /**
-   * Encrypts or decrypts data using AES.
-   * @param options AES options
-   * @devices smartVision
-   */
-  static aes(options: CipherAesOptions): void;
-}