diff --git a/services/audioclient/micclient/src/dmic_client.cpp b/services/audioclient/micclient/src/dmic_client.cpp
index cbed629c004135cbfb05c3f13502993d387661ed..7ad9589d2b6a1c05178e2fefded88c6111500620 100644
--- a/services/audioclient/micclient/src/dmic_client.cpp
+++ b/services/audioclient/micclient/src/dmic_client.cpp
@@ -234,7 +234,6 @@ int32_t DMicClient::Release()
             DHLOGE("Mic trans release failed.");
             isReleaseError = true;
         }
-        micCtrlTrans_ = nullptr;
     }
     clientStatus_ = AudioStatus::STATUS_IDLE;
     if (isReleaseError) {
diff --git a/services/audioclient/spkclient/src/dspeaker_client.cpp b/services/audioclient/spkclient/src/dspeaker_client.cpp
index f3ce13fbf3750514dfe2695871d04c2db5fea731..ab3bec7c2ef4d0c50cb68b4292d0e40ccaa41960 100644
--- a/services/audioclient/spkclient/src/dspeaker_client.cpp
+++ b/services/audioclient/spkclient/src/dspeaker_client.cpp
@@ -228,7 +228,6 @@ int32_t DSpeakerClient::Release()
             DHLOGE("Speaker trans release failed.");
             isSucess = false;
         }
-        speakerCtrlTrans_ = nullptr;
     }
 
     int32_t ret = AudioStandard::AudioSystemManager::GetInstance()->UnregisterVolumeKeyEventCallback(getprocpid());
diff --git a/services/audiotransport/audioctrltransport/src/daudio_sink_ctrl_trans.cpp b/services/audiotransport/audioctrltransport/src/daudio_sink_ctrl_trans.cpp
index c678dac097f73313250f613b9d6507e8817a59db..c246c5aff6c68a09b27b8c63ec040e1674db4c1d 100644
--- a/services/audiotransport/audioctrltransport/src/daudio_sink_ctrl_trans.cpp
+++ b/services/audiotransport/audioctrltransport/src/daudio_sink_ctrl_trans.cpp
@@ -41,6 +41,7 @@ int32_t DaudioSinkCtrlTrans::Release()
     DHLOGI("Release.");
     SoftbusChannelAdapter::GetInstance().CloseSoftbusChannel(sessionName_, devId_);
     SoftbusChannelAdapter::GetInstance().UnRegisterChannelListener(sessionName_, devId_);
+    ctrlTransCallback_.reset();
     return DH_SUCCESS;
 }