diff --git a/audio/aidl/default/ModulePrimary.cpp b/audio/aidl/default/ModulePrimary.cpp
index cbb6730..f66da37 100644
--- a/audio/aidl/default/ModulePrimary.cpp
+++ b/audio/aidl/default/ModulePrimary.cpp
@@ -38,7 +38,8 @@
         mTelephony = ndk::SharedRefBase::make<Telephony>();
     }
     *_aidl_return = mTelephony.getPtr();
-    LOG(DEBUG) << __func__ << ": returning instance of ITelephony: " << _aidl_return->get();
+    LOG(DEBUG) << __func__
+               << ": returning instance of ITelephony: " << _aidl_return->get()->asBinder().get();
     return ndk::ScopedAStatus::ok();
 }
 
diff --git a/audio/aidl/default/Stream.cpp b/audio/aidl/default/Stream.cpp
index 470b65b..b11edff 100644
--- a/audio/aidl/default/Stream.cpp
+++ b/audio/aidl/default/Stream.cpp
@@ -603,18 +603,16 @@
 ndk::ScopedAStatus StreamCommonImpl::initInstance(
         const std::shared_ptr<StreamCommonInterface>& delegate) {
     mCommon = ndk::SharedRefBase::make<StreamCommonDelegator>(delegate);
-    mCommonBinder = mCommon->asBinder();
-    AIBinder_setMinSchedulerPolicy(mCommonBinder.get(), SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
     return mWorker->start() ? ndk::ScopedAStatus::ok()
                             : ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
 }
 
 ndk::ScopedAStatus StreamCommonImpl::getStreamCommonCommon(
         std::shared_ptr<IStreamCommon>* _aidl_return) {
-    if (mCommon == nullptr) {
+    if (!mCommon) {
         LOG(FATAL) << __func__ << ": the common interface was not created";
     }
-    *_aidl_return = mCommon;
+    *_aidl_return = mCommon.getPtr();
     LOG(DEBUG) << __func__ << ": returning " << _aidl_return->get()->asBinder().get();
     return ndk::ScopedAStatus::ok();
 }
diff --git a/audio/aidl/default/include/core-impl/Stream.h b/audio/aidl/default/include/core-impl/Stream.h
index a1bc9b4..b65efb2 100644
--- a/audio/aidl/default/include/core-impl/Stream.h
+++ b/audio/aidl/default/include/core-impl/Stream.h
@@ -43,6 +43,7 @@
 #include <system/thread_defs.h>
 #include <utils/Errors.h>
 
+#include "core-impl/ChildInterface.h"
 #include "core-impl/utils.h"
 
 namespace aidl::android::hardware::audio::core {
@@ -466,8 +467,7 @@
     Metadata mMetadata;
     StreamContext mContext;
     std::unique_ptr<StreamWorkerInterface> mWorker;
-    std::shared_ptr<StreamCommonDelegator> mCommon;
-    ndk::SpAIBinder mCommonBinder;
+    ChildInterface<StreamCommonDelegator> mCommon;
     ConnectedDevices mConnectedDevices;
 };
 
diff --git a/audio/aidl/default/stub/ModuleStub.cpp b/audio/aidl/default/stub/ModuleStub.cpp
index a600752..72f2241 100644
--- a/audio/aidl/default/stub/ModuleStub.cpp
+++ b/audio/aidl/default/stub/ModuleStub.cpp
@@ -38,7 +38,8 @@
         mBluetooth = ndk::SharedRefBase::make<Bluetooth>();
     }
     *_aidl_return = mBluetooth.getPtr();
-    LOG(DEBUG) << __func__ << ": returning instance of IBluetooth: " << _aidl_return->get();
+    LOG(DEBUG) << __func__
+               << ": returning instance of IBluetooth: " << _aidl_return->get()->asBinder().get();
     return ndk::ScopedAStatus::ok();
 }
 
@@ -47,7 +48,8 @@
         mBluetoothA2dp = ndk::SharedRefBase::make<BluetoothA2dp>();
     }
     *_aidl_return = mBluetoothA2dp.getPtr();
-    LOG(DEBUG) << __func__ << ": returning instance of IBluetoothA2dp: " << _aidl_return->get();
+    LOG(DEBUG) << __func__ << ": returning instance of IBluetoothA2dp: "
+               << _aidl_return->get()->asBinder().get();
     return ndk::ScopedAStatus::ok();
 }
 
@@ -56,7 +58,8 @@
         mBluetoothLe = ndk::SharedRefBase::make<BluetoothLe>();
     }
     *_aidl_return = mBluetoothLe.getPtr();
-    LOG(DEBUG) << __func__ << ": returning instance of IBluetoothLe: " << _aidl_return->get();
+    LOG(DEBUG) << __func__
+               << ": returning instance of IBluetoothLe: " << _aidl_return->get()->asBinder().get();
     return ndk::ScopedAStatus::ok();
 }