diff --git a/devicemanager.gni b/devicemanager.gni
index e6160d6b..e8576d35 100644
--- a/devicemanager.gni
+++ b/devicemanager.gni
@@ -21,6 +21,4 @@ services_path = "${devicemanager_path}/services"
 
 innerkits_path = "${devicemanager_path}/interfaces/inner_kits"
 
-build_flags = [ "-Werror" ]
-
 dm_ldflags = [ "-lpthread" ]
diff --git a/interfaces/inner_kits/native_cpp/BUILD.gn b/interfaces/inner_kits/native_cpp/BUILD.gn
index ab8cceee..2903afc9 100644
--- a/interfaces/inner_kits/native_cpp/BUILD.gn
+++ b/interfaces/inner_kits/native_cpp/BUILD.gn
@@ -58,8 +58,6 @@ if (defined(ohos_lite)) {
       "LOG_DOMAIN=0xD004100",
     ]
 
-    cflags_cc = build_flags
-
     deps = [
       "${utils_path}:devicemanagerutils",
       "//base/hiviewdfx/hilog_lite/frameworks/featured:hilog_shared",
diff --git a/interfaces/inner_kits/native_cpp/src/ipc/lite/ipc_client_stub.cpp b/interfaces/inner_kits/native_cpp/src/ipc/lite/ipc_client_stub.cpp
index b500aebb..2726d7ee 100644
--- a/interfaces/inner_kits/native_cpp/src/ipc/lite/ipc_client_stub.cpp
+++ b/interfaces/inner_kits/native_cpp/src/ipc/lite/ipc_client_stub.cpp
@@ -29,7 +29,7 @@ IMPLEMENT_SINGLE_INSTANCE(IpcClientStub);
 static int32_t ClientIpcInterfaceMsgHandle(const IpcContext *ctx, void *ipcMsg, IpcIo *io, void *arg)
 {
     (void)arg;
-    if (ipcMsg == nullptr || io == nullptr || ctx == nullptr) {
+    if (ipcMsg == nullptr || io == nullptr) {
         DMLOG(DM_LOG_ERROR, "invalid param");
         return DEVICEMANAGER_INVALID_PARAM;
     }
diff --git a/services/devicemanagerservice/BUILD.gn b/services/devicemanagerservice/BUILD.gn
index 8414cba6..85b8e577 100644
--- a/services/devicemanagerservice/BUILD.gn
+++ b/services/devicemanagerservice/BUILD.gn
@@ -89,8 +89,6 @@ if (defined(ohos_lite)) {
       "LOG_DOMAIN=0xD004100",
     ]
 
-    cflags_cc = build_flags
-
     ldflags = dm_ldflags
 
     deps = [
diff --git a/utils/BUILD.gn b/utils/BUILD.gn
index b7fcfd18..adec2c8a 100644
--- a/utils/BUILD.gn
+++ b/utils/BUILD.gn
@@ -61,8 +61,6 @@ if (defined(ohos_lite)) {
       "LOG_DOMAIN=0xD004100",
     ]
 
-    cflags_cc = build_flags
-
     deps = [
       "//base/hiviewdfx/hilog_lite/frameworks/featured:hilog_shared",
       "//base/startup/syspara_lite/frameworks/parameter/src:sysparam",