diff --git a/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp b/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
index 80faa00..27b157f 100644
--- a/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
+++ b/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
@@ -695,7 +695,6 @@ int32_t DistributedInputSinkManager::RegisterGetSinkScreenInfosCallback(
 
 uint32_t DistributedInputSinkManager::GetSinkScreenInfosCbackSize()
 {
-    std::lock_guard<std::mutex> lock(mutex_);
     return getSinkScreenInfosCallbacks_.size();
 }
 
diff --git a/services/transportbase/src/distributed_input_transport_base.cpp b/services/transportbase/src/distributed_input_transport_base.cpp
index 1721633..ad8a335 100644
--- a/services/transportbase/src/distributed_input_transport_base.cpp
+++ b/services/transportbase/src/distributed_input_transport_base.cpp
@@ -369,13 +369,11 @@ void DistributedInputTransportBase::RunSessionStateCallback(const std::string &r
 
 int32_t DistributedInputTransportBase::CountSession(const std::string &remoteDevId)
 {
-    std::unique_lock<std::mutex> sessionLock(operationMutex_);
     return remoteDevSessionMap_.count(remoteDevId);
 }
 
 void DistributedInputTransportBase::EraseSessionId(const std::string &remoteDevId)
 {
-    std::unique_lock<std::mutex> sessionLock(operationMutex_);
     remoteDevSessionMap_.erase(remoteDevId);
 }
 
diff --git a/services/transportbase/test/transbaseunittest/distributed_input_transbase_test.cpp b/services/transportbase/test/transbaseunittest/distributed_input_transbase_test.cpp
index d5d55fb..74e6dd8 100644
--- a/services/transportbase/test/transbaseunittest/distributed_input_transbase_test.cpp
+++ b/services/transportbase/test/transbaseunittest/distributed_input_transbase_test.cpp
@@ -33,14 +33,6 @@ namespace {
 }
 void DistributedInputTransbaseTest::SetUp()
 {
-    sourceTransport_ = new DistributedInputSourceTransport();
-    statusSourceListener_ =
-        std::make_shared<DistributedInputSourceTransport::DInputTransbaseSourceListener>(sourceTransport_);
-    DistributedInputTransportBase::GetInstance().RegisterSrcHandleSessionCallback(statusSourceListener_);
-
-    sinkTransport_ = new DistributedInputSinkTransport();
-    statusSinkListener_ = std::make_shared<DistributedInputSinkTransport::DInputTransbaseSinkListener>(sinkTransport_);
-    DistributedInputTransportBase::GetInstance().RegisterSinkHandleSessionCallback(statusSinkListener_);
 }
 
 void DistributedInputTransbaseTest::TearDown()
diff --git a/services/transportbase/test/transbaseunittest/distributed_input_transbase_test.h b/services/transportbase/test/transbaseunittest/distributed_input_transbase_test.h
index 56bb089..d87cb3d 100644
--- a/services/transportbase/test/transbaseunittest/distributed_input_transbase_test.h
+++ b/services/transportbase/test/transbaseunittest/distributed_input_transbase_test.h
@@ -48,12 +48,6 @@ public:
         virtual ~TestRegisterSessionStateCallbackStub() = default;
         void OnResult(const std::string &devId, const uint32_t status);
     };
-
-private:
-    DistributedInputSourceTransport* sourceTransport_;
-    std::shared_ptr<DistributedInputSourceTransport::DInputTransbaseSourceListener> statusSourceListener_;
-    DistributedInputSinkTransport* sinkTransport_;
-    std::shared_ptr<DistributedInputSinkTransport::DInputTransbaseSinkListener> statusSinkListener_;
 };
 } // namespace DistributedInput
 } // namespace DistributedHardware