diff --git a/services/distributedhardwarefwkservice/include/utils/dh_modem_context_ext.h b/services/distributedhardwarefwkservice/include/utils/dh_modem_context_ext.h
index 37ece4a1de1bfcc2465f829178583227db28bb0b..3aada4e4344d4edddacd48d09a8f77d369d7db23 100644
--- a/services/distributedhardwarefwkservice/include/utils/dh_modem_context_ext.h
+++ b/services/distributedhardwarefwkservice/include/utils/dh_modem_context_ext.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Copyright (c) 2024-2025 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
@@ -33,7 +33,6 @@ public:
 
 private:
     void *soHandle_ {nullptr};
-    std::shared_ptr<IDistributedModemExt> distributedModemExt_;
 };
 } // namespace DistributedHardware
 } // namespace OHOS
diff --git a/services/distributedhardwarefwkservice/src/utils/dh_modem_context_ext.cpp b/services/distributedhardwarefwkservice/src/utils/dh_modem_context_ext.cpp
index 66cba1aaea742b17440476ab0389a7159a571bc0..03c0bc33656f2bee03949de384d5da559eff1a1e 100644
--- a/services/distributedhardwarefwkservice/src/utils/dh_modem_context_ext.cpp
+++ b/services/distributedhardwarefwkservice/src/utils/dh_modem_context_ext.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Copyright (c) 2024-2025 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
@@ -50,16 +50,15 @@ std::shared_ptr<IDistributedModemExt> DHModemContextExt::GetModemExtInstance()
 {
     if (soHandle_ == nullptr && GetHandler() != DH_FWK_SUCCESS) {
         DHLOGE("load modem_ext so failed.");
-        return distributedModemExt_;
+        return nullptr;
     }
     auto func = (CreateDistributedModemExtImplFuncPtr)dlsym(soHandle_, "CreateDistributedModemExtImplObject");
     if (dlerror() != nullptr || func == nullptr) {
         dlclose(soHandle_);
         DHLOGE("Create object function is not exist.");
-        return distributedModemExt_;
+        return nullptr;
     }
-    distributedModemExt_ = std::shared_ptr<IDistributedModemExt>(func());
-    return distributedModemExt_;
+    return std::shared_ptr<IDistributedModemExt>(func());
 }
 
 int32_t DHModemContextExt::UnInit()