diff --git a/multimedia/audio/audio_js_standard/audioManager/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java b/multimedia/audio/audio_js_standard/audioManager/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java
deleted file mode 100644
index a735d0a33e16bdb4ae0194d12fb865e64207b88e..0000000000000000000000000000000000000000
--- a/multimedia/audio/audio_js_standard/audioManager/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2021 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.
- */
-
- package ohos.acts.multimedia.audio.audioplayer;
-
- import ohos.aafwk.ability.AbilityPackage;
-
-/*
- * java MyApplication
- */
-
- public class MyApplication extends AbilityPackage {
-    @Override
-    public void onInitialize() {
-        super.onInitialize();
-    }
- }
diff --git a/multimedia/image/image_js_standard/src/main/java/ohos/acts/multimedia/image/MainAbility.java b/multimedia/image/image_js_standard/src/main/java/ohos/acts/multimedia/image/MainAbility.java
deleted file mode 100644
index f6341c63f2ef96294bce6e43ee869087829c2c06..0000000000000000000000000000000000000000
--- a/multimedia/image/image_js_standard/src/main/java/ohos/acts/multimedia/image/MainAbility.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2021 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.
- */
-
-package ohos.acts.multimedia.image;
-
-import ohos.ace.ability.AceAbility;
-import ohos.aafwk.content.Intent;
-
-/*
- * java MainAbility
- */
-public class MainAbility extends AceAbility {
-    @Override
-    public void onStart(Intent intent) {
-        super.onStart(intent);
-    }
-
-    @Override
-    public void onStop() {
-        super.onStop();
-    }
-}
diff --git a/multimedia/image/image_js_standard/src/main/java/ohos/acts/multimedia/image/MyApplication.java b/multimedia/image/image_js_standard/src/main/java/ohos/acts/multimedia/image/MyApplication.java
deleted file mode 100644
index f4848283b9aa2ceb9dfb177dca0b518b639aafe0..0000000000000000000000000000000000000000
--- a/multimedia/image/image_js_standard/src/main/java/ohos/acts/multimedia/image/MyApplication.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2021 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.
- */
-
-package ohos.acts.multimedia.image;
-
-import ohos.aafwk.ability.AbilityPackage;
-
-/*
- * java MyApplication
- */
-public class MyApplication extends AbilityPackage {
-    @Override
-    public void onInitialize() {
-        super.onInitialize();
-    }
-}
diff --git a/multimedia/media/media_js_standard/audioPlayer/src/main/java/ohos/acts/multimedia/audio/audioplayer/MainAbility.java b/multimedia/media/media_js_standard/audioPlayer/src/main/java/ohos/acts/multimedia/audio/audioplayer/MainAbility.java
deleted file mode 100644
index c3adacfc7a7e0e86651b857ee2f6e857d5c173be..0000000000000000000000000000000000000000
--- a/multimedia/media/media_js_standard/audioPlayer/src/main/java/ohos/acts/multimedia/audio/audioplayer/MainAbility.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2022 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.
- */
- 
- package ohos.acts.multimedia.audio.audioplayer;
-
- import ohos.ace.ability.AceAbility;
- import ohos.aafwk.content.Intent;
-
-/*
- * java MainAbility
- */
-
- public class MainAbility extends AceAbility {
-    @Override
-    public void onStart(Intent intent) {
-        super.onStart(intent);
-    }
-
-    @Override
-    public void onStop() {
-        super.onStop();
-    }
- }
diff --git a/multimedia/media/media_js_standard/audioPlayer/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java b/multimedia/media/media_js_standard/audioPlayer/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java
deleted file mode 100644
index 956bc88979f54b82cf83932c34081ad9f26e8588..0000000000000000000000000000000000000000
--- a/multimedia/media/media_js_standard/audioPlayer/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2022 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.
- */
-
- package ohos.acts.multimedia.audio.audioplayer;
-
- import ohos.aafwk.ability.AbilityPackage;
-
-/*
- * java MyApplication
- */
-
- public class MyApplication extends AbilityPackage {
-    @Override
-    public void onInitialize() {
-        super.onInitialize();
-    }
- }
diff --git a/multimedia/media/media_js_standard/audioRecorder/src/main/java/ohos/acts/multimedia/audio/audioplayer/MainAbility.java b/multimedia/media/media_js_standard/audioRecorder/src/main/java/ohos/acts/multimedia/audio/audioplayer/MainAbility.java
deleted file mode 100644
index c3adacfc7a7e0e86651b857ee2f6e857d5c173be..0000000000000000000000000000000000000000
--- a/multimedia/media/media_js_standard/audioRecorder/src/main/java/ohos/acts/multimedia/audio/audioplayer/MainAbility.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2022 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.
- */
- 
- package ohos.acts.multimedia.audio.audioplayer;
-
- import ohos.ace.ability.AceAbility;
- import ohos.aafwk.content.Intent;
-
-/*
- * java MainAbility
- */
-
- public class MainAbility extends AceAbility {
-    @Override
-    public void onStart(Intent intent) {
-        super.onStart(intent);
-    }
-
-    @Override
-    public void onStop() {
-        super.onStop();
-    }
- }
diff --git a/multimedia/media/media_js_standard/audioRecorder/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java b/multimedia/media/media_js_standard/audioRecorder/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java
deleted file mode 100644
index 956bc88979f54b82cf83932c34081ad9f26e8588..0000000000000000000000000000000000000000
--- a/multimedia/media/media_js_standard/audioRecorder/src/main/java/ohos/acts/multimedia/audio/audioplayer/MyApplication.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2022 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.
- */
-
- package ohos.acts.multimedia.audio.audioplayer;
-
- import ohos.aafwk.ability.AbilityPackage;
-
-/*
- * java MyApplication
- */
-
- public class MyApplication extends AbilityPackage {
-    @Override
-    public void onInitialize() {
-        super.onInitialize();
-    }
- }