diff --git a/api/common/@system.package.d.ts b/api/common/@system.package.d.ts
deleted file mode 100644
index 4075447959c081fe12f2d5a4c5942724c41462c2..0000000000000000000000000000000000000000
--- a/api/common/@system.package.d.ts
+++ /dev/null
@@ -1,68 +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 tv, phone, tablet, wearable
- */
-export interface CheckPackageHasInstalledResponse {
-  /**
-   * Whether the application exists, or whether the native application has been installed.
-   * @devices tv, phone, tablet, wearable
-   * @since 3
-   */
-  result: boolean;
-}
-
-export interface CheckPackageHasInstalledOptions {
-  /**
-   * Application bundle name.
-   * @devices tv, phone, tablet, wearable
-   * @since 3
-   */
-  bundleName: string;
-
-  /**
-   * Called when native applications are installed.
-   * @devices tv, phone, tablet, wearable
-   * @since 3
-   */
-  success?: (data: CheckPackageHasInstalledResponse) => void;
-
-  /**
-   * Called when native applications fail to be installed.
-   * @devices tv, phone, tablet, wearable
-   * @since 3
-   */
-  fail?: (data: any, code: number) => void;
-
-  /**
-   * Called when the execution is completed.
-   * @devices tv, phone, tablet, wearable
-   * @since 3
-   */
-  complete?: () => void;
-}
-
-/**
- * @devices tv, phone, tablet, wearable
- */
-export default class Package {
-  /**
-   * Checks whether an application exists, or whether a native application has been installed.
-   * @param options Options.
-   * @devices tv, phone, tablet, wearable
-   */
-  static hasInstalled(options: CheckPackageHasInstalledOptions): void;
-}
diff --git a/api/phone/@system.package.d.ts b/api/phone/@system.package.d.ts
deleted file mode 100644
index bcb42820845c41d873edb65c1fcd73d6370411da..0000000000000000000000000000000000000000
--- a/api/phone/@system.package.d.ts
+++ /dev/null
@@ -1,59 +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.
- */
-
-export interface CheckPackageHasInstalledResponse {
-  /**
-   * Whether the application exists, or whether the native application has been installed.
-   * @since 3
-   */
-  result: boolean;
-}
-
-export interface CheckPackageHasInstalledOptions {
-  /**
-   * Application bundle name.
-   * @since 3
-   */
-  bundleName: string;
-
-  /**
-   * Called when native applications are installed.
-   * @since 3
-   */
-  success?: (data: CheckPackageHasInstalledResponse) => void;
-
-  /**
-   * Called when native applications fail to be installed.
-   * @since 3
-   */
-  fail?: (data: any, code: number) => void;
-
-  /**
-   * Called when the execution is completed.
-   * @since 3
-   */
-  complete?: () => void;
-}
-
-/**
- * @Syscap SysCap.ACE.UIEngine
- */
-export default class Package {
-  /**
-   * Checks whether an application exists, or whether a native application has been installed.
-   * @param options
-   */
-  static hasInstalled(options: CheckPackageHasInstalledOptions): void;
-}
diff --git a/api/tablet/@system.package.d.ts b/api/tablet/@system.package.d.ts
deleted file mode 100644
index 2a918ec35a897e6332a87cc24b0a615d9ef33944..0000000000000000000000000000000000000000
--- a/api/tablet/@system.package.d.ts
+++ /dev/null
@@ -1,57 +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.
- */
-
-export interface CheckPackageHasInstalledResponse {
-  /**
-   * Whether the application exists, or whether the native application has been installed.
-   * @since 3
-   */
-  result: boolean;
-}
-
-/**
- * @Syscap SysCap.ACE.UIEngine
- */
-export default class Package {
-  /**
-   * Checks whether an application exists, or whether a native application has been installed.
-   * @param options
-   */
-  static hasInstalled(options: {
-    /**
-     * Application bundle name.
-     * @since 3
-     */
-    bundleName: string;
-
-    /**
-     * Called when native applications are installed.\
-     * @since 3
-     */
-    success?: (data: CheckPackageHasInstalledResponse) => void;
-
-    /**
-     * Called when native applications fail to be installed.
-     * @since 3
-     */
-    fail?: (data: any, code: number) => void;
-
-    /**
-     * Called when the execution is completed.
-     * @since 3
-     */
-    complete?: () => void;
-  }): void;
-}
diff --git a/api/tv/@system.package.d.ts b/api/tv/@system.package.d.ts
deleted file mode 100644
index 6dbaf27ac95325b7840ddeeb68cdc1c84ce2f651..0000000000000000000000000000000000000000
--- a/api/tv/@system.package.d.ts
+++ /dev/null
@@ -1,57 +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.
- */
-
-export interface CheckPackageHasInstalledResponse {
-  /**
-   * Whether the application exists, or whether the native application has been installed.
-   * @since 3
-   */
-  result: boolean;
-}
-
-/**
- * @Syscap SysCap.ACE.UIEngine
- */
-export default class Package {
-  /**
-   * Checks whether an application exists, or whether a native application has been installed.
-   * @param options
-   */
-  static hasInstalled(options: {
-    /**
-     * Application bundle name.
-     * @since 3
-     */
-    bundleName: string;
-
-    /**
-     * Called when native applications are installed.
-     * @since 3
-     */
-    success?: (data: CheckPackageHasInstalledResponse) => void;
-
-    /**
-     * Called when native applications fail to be installed.
-     * @since 3
-     */
-    fail?: (data: any, code: number) => void;
-
-    /**
-     * Called when the execution is completed.
-     * @since 3
-     */
-    complete?: () => void;
-  }): void;
-}
diff --git a/api/wearable/@system.package.d.ts b/api/wearable/@system.package.d.ts
deleted file mode 100644
index 6dbaf27ac95325b7840ddeeb68cdc1c84ce2f651..0000000000000000000000000000000000000000
--- a/api/wearable/@system.package.d.ts
+++ /dev/null
@@ -1,57 +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.
- */
-
-export interface CheckPackageHasInstalledResponse {
-  /**
-   * Whether the application exists, or whether the native application has been installed.
-   * @since 3
-   */
-  result: boolean;
-}
-
-/**
- * @Syscap SysCap.ACE.UIEngine
- */
-export default class Package {
-  /**
-   * Checks whether an application exists, or whether a native application has been installed.
-   * @param options
-   */
-  static hasInstalled(options: {
-    /**
-     * Application bundle name.
-     * @since 3
-     */
-    bundleName: string;
-
-    /**
-     * Called when native applications are installed.
-     * @since 3
-     */
-    success?: (data: CheckPackageHasInstalledResponse) => void;
-
-    /**
-     * Called when native applications fail to be installed.
-     * @since 3
-     */
-    fail?: (data: any, code: number) => void;
-
-    /**
-     * Called when the execution is completed.
-     * @since 3
-     */
-    complete?: () => void;
-  }): void;
-}