diff --git a/contexthub/aidl/Android.bp b/contexthub/aidl/Android.bp
index df6e063..b56537a 100644
--- a/contexthub/aidl/Android.bp
+++ b/contexthub/aidl/Android.bp
@@ -57,11 +57,6 @@
             version: "3",
             imports: [],
         },
-        {
-            version: "4",
-            imports: [],
-        },
-
     ],
-    frozen: true,
+    frozen: false,
 }
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/.hash b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/.hash
deleted file mode 100644
index 7987545..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/.hash
+++ /dev/null
@@ -1 +0,0 @@
-e360760b79219b601dc5dd5b63a0299d39d8bb84
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/AsyncEventType.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/AsyncEventType.aidl
deleted file mode 100644
index 8e0ff89..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/AsyncEventType.aidl
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@Backing(type="int") @VintfStability
-enum AsyncEventType {
-  RESTARTED = 1,
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ContextHubInfo.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ContextHubInfo.aidl
deleted file mode 100644
index c99169e..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ContextHubInfo.aidl
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable ContextHubInfo {
-  String name;
-  String vendor;
-  String toolchain;
-  int id;
-  float peakMips;
-  int maxSupportedMessageLengthBytes;
-  long chrePlatformId;
-  byte chreApiMajorVersion;
-  byte chreApiMinorVersion;
-  char chrePatchVersion;
-  String[] supportedPermissions;
-  boolean supportsReliableMessages;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ContextHubMessage.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ContextHubMessage.aidl
deleted file mode 100644
index a6951a8..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ContextHubMessage.aidl
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable ContextHubMessage {
-  long nanoappId;
-  char hostEndPoint;
-  int messageType;
-  byte[] messageBody;
-  String[] permissions;
-  boolean isReliable;
-  int messageSequenceNumber;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/EndpointId.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/EndpointId.aidl
deleted file mode 100644
index a70065d..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/EndpointId.aidl
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable EndpointId {
-  long id;
-  long hubId;
-  const long ENDPOINT_ID_INVALID = 0;
-  const long ENDPOINT_ID_RESERVED = (-1) /* -1 */;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/EndpointInfo.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/EndpointInfo.aidl
deleted file mode 100644
index 43e5ec3..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/EndpointInfo.aidl
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable EndpointInfo {
-  android.hardware.contexthub.EndpointId id;
-  android.hardware.contexthub.EndpointInfo.EndpointType type;
-  String name;
-  int version;
-  @nullable String tag;
-  String[] requiredPermissions;
-  android.hardware.contexthub.Service[] services;
-  @Backing(type="int") @VintfStability
-  enum EndpointType {
-    FRAMEWORK = 1,
-    APP = 2,
-    NATIVE = 3,
-    NANOAPP = 4,
-    GENERIC = 5,
-  }
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ErrorCode.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ErrorCode.aidl
deleted file mode 100644
index 8924658..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/ErrorCode.aidl
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@Backing(type="byte") @VintfStability
-enum ErrorCode {
-  OK = 0,
-  TRANSIENT_ERROR,
-  PERMANENT_ERROR,
-  PERMISSION_DENIED,
-  DESTINATION_NOT_FOUND,
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/HostEndpointInfo.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/HostEndpointInfo.aidl
deleted file mode 100644
index dabdbb6..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/HostEndpointInfo.aidl
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable HostEndpointInfo {
-  char hostEndpointId;
-  android.hardware.contexthub.HostEndpointInfo.Type type;
-  @nullable String packageName;
-  @nullable String attributionTag;
-  @Backing(type="int") @VintfStability
-  enum Type {
-    FRAMEWORK = 1,
-    APP = 2,
-    NATIVE = 3,
-  }
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/HubInfo.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/HubInfo.aidl
deleted file mode 100644
index cac441a..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/HubInfo.aidl
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable HubInfo {
-  long hubId;
-  android.hardware.contexthub.HubInfo.HubDetails hubDetails;
-  const long HUB_ID_INVALID = 0;
-  const long HUB_ID_RESERVED = (-1) /* -1 */;
-  union HubDetails {
-    android.hardware.contexthub.ContextHubInfo contextHubInfo;
-    android.hardware.contexthub.VendorHubInfo vendorHubInfo;
-  }
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IContextHub.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IContextHub.aidl
deleted file mode 100644
index 93b8ff5..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IContextHub.aidl
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-interface IContextHub {
-  List<android.hardware.contexthub.ContextHubInfo> getContextHubs();
-  void loadNanoapp(in int contextHubId, in android.hardware.contexthub.NanoappBinary appBinary, in int transactionId);
-  void unloadNanoapp(in int contextHubId, in long appId, in int transactionId);
-  void disableNanoapp(in int contextHubId, in long appId, in int transactionId);
-  void enableNanoapp(in int contextHubId, in long appId, in int transactionId);
-  void onSettingChanged(in android.hardware.contexthub.Setting setting, in boolean enabled);
-  void queryNanoapps(in int contextHubId);
-  void registerCallback(in int contextHubId, in android.hardware.contexthub.IContextHubCallback cb);
-  void sendMessageToHub(in int contextHubId, in android.hardware.contexthub.ContextHubMessage message);
-  void onHostEndpointConnected(in android.hardware.contexthub.HostEndpointInfo hostEndpointInfo);
-  void onHostEndpointDisconnected(char hostEndpointId);
-  long[] getPreloadedNanoappIds(in int contextHubId);
-  void onNanSessionStateChanged(in android.hardware.contexthub.NanSessionStateUpdate update);
-  void setTestMode(in boolean enable);
-  void sendMessageDeliveryStatusToHub(in int contextHubId, in android.hardware.contexthub.MessageDeliveryStatus messageDeliveryStatus);
-  List<android.hardware.contexthub.HubInfo> getHubs();
-  List<android.hardware.contexthub.EndpointInfo> getEndpoints();
-  void registerEndpoint(in android.hardware.contexthub.EndpointInfo endpoint);
-  void unregisterEndpoint(in android.hardware.contexthub.EndpointInfo endpoint);
-  void registerEndpointCallback(in android.hardware.contexthub.IEndpointCallback callback);
-  int[] requestSessionIdRange(int size);
-  void openEndpointSession(int sessionId, in android.hardware.contexthub.EndpointId destination, in android.hardware.contexthub.EndpointId initiator, in @nullable String serviceDescriptor);
-  void sendMessageToEndpoint(int sessionId, in android.hardware.contexthub.Message msg);
-  void sendMessageDeliveryStatusToEndpoint(int sessionId, in android.hardware.contexthub.MessageDeliveryStatus msgStatus);
-  void closeEndpointSession(int sessionId, in android.hardware.contexthub.Reason reason);
-  void endpointSessionOpenComplete(int sessionId);
-  const int EX_CONTEXT_HUB_UNSPECIFIED = (-1) /* -1 */;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IContextHubCallback.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IContextHubCallback.aidl
deleted file mode 100644
index 70f69c6..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IContextHubCallback.aidl
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-interface IContextHubCallback {
-  void handleNanoappInfo(in android.hardware.contexthub.NanoappInfo[] appInfo);
-  void handleContextHubMessage(in android.hardware.contexthub.ContextHubMessage msg, in String[] msgContentPerms);
-  void handleContextHubAsyncEvent(in android.hardware.contexthub.AsyncEventType evt);
-  void handleTransactionResult(in int transactionId, in boolean success);
-  void handleNanSessionRequest(in android.hardware.contexthub.NanSessionRequest request);
-  void handleMessageDeliveryStatus(in char hostEndpointId, in android.hardware.contexthub.MessageDeliveryStatus messageDeliveryStatus);
-  byte[16] getUuid();
-  String getName();
-  const int CONTEXTHUB_NAN_TRANSACTION_TIMEOUT_MS = 10000;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IEndpointCallback.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IEndpointCallback.aidl
deleted file mode 100644
index c0bb744..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/IEndpointCallback.aidl
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-interface IEndpointCallback {
-  void onEndpointStarted(in android.hardware.contexthub.EndpointInfo[] endpointInfos);
-  void onEndpointStopped(in android.hardware.contexthub.EndpointId[] endpointIds, android.hardware.contexthub.Reason reason);
-  void onMessageReceived(int sessionId, in android.hardware.contexthub.Message msg);
-  void onMessageDeliveryStatusReceived(int sessionId, in android.hardware.contexthub.MessageDeliveryStatus msgStatus);
-  void onEndpointSessionOpenRequest(int sessionId, in android.hardware.contexthub.EndpointId destination, in android.hardware.contexthub.EndpointId initiator, in @nullable String serviceDescriptor);
-  void onCloseEndpointSession(int sessionId, in android.hardware.contexthub.Reason reason);
-  void onEndpointSessionOpenComplete(int sessionId);
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Message.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Message.aidl
deleted file mode 100644
index ef117c3..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Message.aidl
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable Message {
-  int flags;
-  int sequenceNumber;
-  String[] permissions;
-  int type;
-  byte[] content;
-  const int FLAG_REQUIRES_DELIVERY_STATUS = 1;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/MessageDeliveryStatus.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/MessageDeliveryStatus.aidl
deleted file mode 100644
index 40dac13..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/MessageDeliveryStatus.aidl
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable MessageDeliveryStatus {
-  int messageSequenceNumber;
-  android.hardware.contexthub.ErrorCode errorCode;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanSessionRequest.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanSessionRequest.aidl
deleted file mode 100644
index d539707..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanSessionRequest.aidl
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable NanSessionRequest {
-  boolean enable;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanSessionStateUpdate.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanSessionStateUpdate.aidl
deleted file mode 100644
index 80771e2..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanSessionStateUpdate.aidl
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable NanSessionStateUpdate {
-  boolean state;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappBinary.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappBinary.aidl
deleted file mode 100644
index fdf3860..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappBinary.aidl
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable NanoappBinary {
-  long nanoappId;
-  int nanoappVersion;
-  int flags;
-  byte targetChreApiMajorVersion;
-  byte targetChreApiMinorVersion;
-  byte[] customBinary;
-  const int FLAG_SIGNED = (1 << 0) /* 1 */;
-  const int FLAG_ENCRYPTED = (1 << 1) /* 2 */;
-  const int FLAG_TCM_CAPABLE = (1 << 2) /* 4 */;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappInfo.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappInfo.aidl
deleted file mode 100644
index 7175d7f..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappInfo.aidl
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable NanoappInfo {
-  long nanoappId;
-  int nanoappVersion;
-  boolean enabled;
-  String[] permissions;
-  android.hardware.contexthub.NanoappRpcService[] rpcServices;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappRpcService.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappRpcService.aidl
deleted file mode 100644
index a6a1644..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/NanoappRpcService.aidl
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable NanoappRpcService {
-  long id;
-  int version;
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Reason.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Reason.aidl
deleted file mode 100644
index a315438..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Reason.aidl
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@Backing(type="byte") @VintfStability
-enum Reason {
-  UNSPECIFIED = 0,
-  OUT_OF_MEMORY,
-  TIMEOUT,
-  OPEN_ENDPOINT_SESSION_REQUEST_REJECTED,
-  CLOSE_ENDPOINT_SESSION_REQUESTED,
-  ENDPOINT_INVALID,
-  ENDPOINT_GONE,
-  ENDPOINT_CRASHED,
-  HUB_RESET,
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Service.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Service.aidl
deleted file mode 100644
index e3d94c8..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Service.aidl
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable Service {
-  android.hardware.contexthub.Service.RpcFormat format;
-  String serviceDescriptor;
-  int majorVersion;
-  int minorVersion;
-  ParcelableHolder extendedInfo;
-  @Backing(type="int") @VintfStability
-  enum RpcFormat {
-    CUSTOM = 0,
-    AIDL = 1,
-    PW_RPC_PROTOBUF = 2,
-  }
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Setting.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Setting.aidl
deleted file mode 100644
index aeb720b..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/Setting.aidl
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@Backing(type="byte") @VintfStability
-enum Setting {
-  LOCATION = 1,
-  WIFI_MAIN,
-  WIFI_SCANNING,
-  AIRPLANE_MODE,
-  MICROPHONE,
-  BT_MAIN,
-  BT_SCANNING,
-}
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/VendorHubInfo.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/VendorHubInfo.aidl
deleted file mode 100644
index db64ec7..0000000
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/4/android/hardware/contexthub/VendorHubInfo.aidl
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.contexthub;
-@VintfStability
-parcelable VendorHubInfo {
-  String name;
-  int version;
-  ParcelableHolder extendedInfo;
-}