diff --git a/interfaces/inner_api/security_component_common/sec_comp_info_helper.h b/interfaces/inner_api/security_component_common/sec_comp_info_helper.h
index 08e7f18a33c21cf718836b9a2ba6d314112026bb..fd3262e4f1e2114c2b213210fcb37954a7f960ef 100644
--- a/interfaces/inner_api/security_component_common/sec_comp_info_helper.h
+++ b/interfaces/inner_api/security_component_common/sec_comp_info_helper.h
@@ -43,7 +43,6 @@ public:
 private:
     static float GetWindowScale(int32_t windowId);
     static void AdjustSecCompRect(SecCompBase* comp, float scale);
-    static bool IsDlpSandboxCalling(AccessToken::AccessTokenID tokenId);
 };
 }  // namespace SecurityComponent
 }  // namespace Security
diff --git a/services/security_component_service/sa/sa_main/sec_comp_perm_manager.cpp b/services/security_component_service/sa/sa_main/sec_comp_perm_manager.cpp
index ee612258dcc1d6f0c23bb4195614d9f2a6dd799f..9fd40aa63dd77b66872a15b834297f6c5186607a 100644
--- a/services/security_component_service/sa/sa_main/sec_comp_perm_manager.cpp
+++ b/services/security_component_service/sa/sa_main/sec_comp_perm_manager.cpp
@@ -268,6 +268,13 @@ void SecCompPermManager::InitEventHandler(const std::shared_ptr<SecEventHandler>
     secHandler_ = secHandler;
 }
 
+namespace {
+inline bool IsDlpSandboxCalling(AccessToken::AccessTokenID tokenId)
+{
+    return AccessToken::AccessTokenKit::GetHapDlpFlag(tokenId) != 0;
+}
+}
+
 int32_t SecCompPermManager::GrantTempPermission(AccessToken::AccessTokenID tokenId,
     const std::shared_ptr<SecCompBase>& componentInfo)
 {
@@ -313,11 +320,6 @@ int32_t SecCompPermManager::GrantTempPermission(AccessToken::AccessTokenID token
     }
     return SC_SERVICE_ERROR_PERMISSION_OPER_FAIL;
 }
-
-inline bool SecCompPermManager::IsDlpSandboxCalling(AccessToken::AccessTokenID tokenId)
-{
-    return AccessToken::AccessTokenKit::GetHapDlpFlag(tokenId) != 0;
-}
 }  // namespace SecurityComponent
 }  // namespace Security
 }  // namespace OHOS
diff --git a/services/security_component_service/sa/sa_main/sec_comp_perm_manager.h b/services/security_component_service/sa/sa_main/sec_comp_perm_manager.h
index 356e29781e0d06b84f6578c289934251ca7af0a3..aaa2817697cfa832ff7ccf0f1083fecd9901e442 100644
--- a/services/security_component_service/sa/sa_main/sec_comp_perm_manager.h
+++ b/services/security_component_service/sa/sa_main/sec_comp_perm_manager.h
@@ -59,7 +59,6 @@ private:
         const std::string& permissionName);
     void RemoveAppGrantPermissionRecord(AccessToken::AccessTokenID tokenId,
         const std::string& permissionName);
-    bool IsDlpSandboxCalling(AccessToken::AccessTokenID tokenId);
 
     std::unordered_map<AccessToken::AccessTokenID, int32_t> applySaveCountMap_;
     std::unordered_map<AccessToken::AccessTokenID, std::deque<std::string>> saveTaskDequeMap_;