diff --git a/bundle.json b/bundle.json
index a98111e50791cd10d27152aec6a3ef41f71570d5..ffe2e543ddc6561e0b436375fb949010f2807c14 100644
--- a/bundle.json
+++ b/bundle.json
@@ -43,7 +43,6 @@
                 "hisysevent",
                 "hitrace",
                 "huks",
-                "init",
                 "ipc",
                 "safwk",
                 "samgr",
@@ -60,7 +59,6 @@
                 "service_group": [
                     "//base/security/device_security_level/oem_property/ohos:dslm_service",
                     "//base/security/device_security_level/oem_property/ohos:dslm_ohos_cred_file",
-                    "//base/security/device_security_level/param:param_files",
                     "//base/security/device_security_level/profile:dslm_service.rc"
                 ]
             },
diff --git a/interfaces/inner_api/BUILD.gn b/interfaces/inner_api/BUILD.gn
index e5b15a09bb6b8c4a0018ddd11cca6ac75b125c7b..db7e859fee1404cca0ef7740a66720a176ad0576 100644
--- a/interfaces/inner_api/BUILD.gn
+++ b/interfaces/inner_api/BUILD.gn
@@ -129,7 +129,6 @@ if (defined(ohos_lite)) {
     external_deps = [
       "c_utils:utils",
       "hilog:libhilog",
-      "init:libbegetutil",
       "ipc:ipc_core",
       "samgr:samgr_proxy",
     ]
diff --git a/interfaces/inner_api/src/standard/device_security_info.cpp b/interfaces/inner_api/src/standard/device_security_info.cpp
index a4b4dde06380643e8162a6cd10f6d2b0ebbc37e4..73fde2e45cd5ebc52501f0e1be4d73667e4f7ad2 100644
--- a/interfaces/inner_api/src/standard/device_security_info.cpp
+++ b/interfaces/inner_api/src/standard/device_security_info.cpp
@@ -18,7 +18,6 @@
 #include <future>
 
 #include "hilog/log.h"
-#include "parameter.h"
 
 #include "device_security_level_callback_helper.h"
 #include "device_security_level_callback_stub.h"
@@ -37,13 +36,14 @@ static int32_t RequestDeviceSecurityInfoAsyncImpl(const DeviceIdentify *identify
         return ERR_INVALID_PARA;
     }
 
-    constexpr uint32_t defaultKeepLen = 45;
-    constexpr uint32_t maxKeepLen = 300;
-    static RequestOption defaultOption = {0, defaultKeepLen, 0};
+    constexpr uint32_t DEFAULT_KEEP_LEN = 45;
+    constexpr uint32_t MAX_KEEP_LEN = 300;
+    static RequestOption defaultOption = {0, DEFAULT_KEEP_LEN, 0};
     if (option == nullptr) {
         option = &defaultOption;
+
     }
-    if (option->timeout > maxKeepLen) {
+    if (option->timeout > MAX_KEEP_LEN) {
         HILOG_ERROR(LOG_CORE, "GetDeviceSecurityInfo input error, timeout too len.");
         return ERR_INVALID_PARA;
     }
diff --git a/param/BUILD.gn b/param/BUILD.gn
deleted file mode 100644
index 2619f76e4e40f5264e7aaaefe9a0c61fc37fd977..0000000000000000000000000000000000000000
--- a/param/BUILD.gn
+++ /dev/null
@@ -1,28 +0,0 @@
-# Copyright (c) 2024 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
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import("//build/ohos.gni")
-
-## Install device_security_level.para to /system/etc/param/device_security_level.para
-
-group("param_files") {
-  deps = [ ":device_security_level.para" ]
-}
-
-ohos_prebuilt_etc("device_security_level.para") {
-  source = "device_security_level.para"
-
-  relative_install_dir = "param"
-  part_name = "device_security_level"
-  subsystem_name = "security"
-}
diff --git a/param/device_security_level.para b/param/device_security_level.para
deleted file mode 100644
index c04f0d7d11636504ad8e367a4b9cf32faa47bb97..0000000000000000000000000000000000000000
--- a/param/device_security_level.para
+++ /dev/null
@@ -1,14 +0,0 @@
-# Copyright (c) 2024 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
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-const.security.device_security_level = 1
\ No newline at end of file