diff --git a/frameworks/native/backup_ext/BUILD.gn b/frameworks/native/backup_ext/BUILD.gn
index ab24d367b6976f64b6e645514493d0c98b7cc6ed..76ae7753d7fc5d1dcf24f011a8f52cda6978c3a5 100644
--- a/frameworks/native/backup_ext/BUILD.gn
+++ b/frameworks/native/backup_ext/BUILD.gn
@@ -77,6 +77,14 @@ ohos_shared_library("backup_extension_ability_native") {
     "napi:ace_napi",
   ]
 
+  cflags_cc = [
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fno-unwind-tables",
+    "-fno-asynchronous-unwind-tables",
+    "-Os",
+  ]
+
   use_exceptions = true
   relative_install_dir = "extensionability"
   part_name = "app_file_service"
diff --git a/interfaces/inner_api/native/backup_kit_inner/BUILD.gn b/interfaces/inner_api/native/backup_kit_inner/BUILD.gn
index 2ee1a876dd7b91829c20172f45856f18b82206e9..45fe3c878b4290e2d7057ef906c917edc01f81ca 100644
--- a/interfaces/inner_api/native/backup_kit_inner/BUILD.gn
+++ b/interfaces/inner_api/native/backup_kit_inner/BUILD.gn
@@ -78,6 +78,14 @@ ohos_shared_library("backup_kit_inner") {
 
   deps = [ "${path_backup}/utils:backup_utils" ]
 
+  cflags_cc = [
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fno-unwind-tables",
+    "-fno-asynchronous-unwind-tables",
+    "-Os",
+  ]
+
   use_exceptions = true
   innerapi_tags = [ "platformsdk" ]
   part_name = "app_file_service"
diff --git a/interfaces/kits/js/BUILD.gn b/interfaces/kits/js/BUILD.gn
index aa2ff83d424e3b0163351f67c33c2595cf316a6b..884d283fff1b097e6a93730246d8498e53dff409 100644
--- a/interfaces/kits/js/BUILD.gn
+++ b/interfaces/kits/js/BUILD.gn
@@ -159,6 +159,14 @@ ohos_shared_library("backup") {
     "${path_jsoncpp}:jsoncpp",
   ]
 
+  cflags_cc = [
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fno-unwind-tables",
+    "-fno-asynchronous-unwind-tables",
+    "-Os",
+  ]
+
   external_deps = [
     "access_token:libaccesstoken_sdk",
     "access_token:libtokenid_sdk",
diff --git a/services/backup_sa/BUILD.gn b/services/backup_sa/BUILD.gn
index 21b78cac54a155c8a4adf4ea2f63b8250d0b7591..b7ba886e93253f812d44cef4599d0214624bccc8 100644
--- a/services/backup_sa/BUILD.gn
+++ b/services/backup_sa/BUILD.gn
@@ -82,6 +82,14 @@ ohos_shared_library("backup_sa") {
     "storage_service:storage_manager_sa_proxy",
   ]
 
+  cflags_cc = [
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fno-unwind-tables",
+    "-fno-asynchronous-unwind-tables",
+    "-Os",
+  ]
+
   use_exceptions = true
   part_name = "app_file_service"
   subsystem_name = "filemanagement"
diff --git a/utils/BUILD.gn b/utils/BUILD.gn
index 085799aa006fd13235279b42b7ffca7554880781..95b58a5ad5851f63727e2c5192bfc25fc293c607 100644
--- a/utils/BUILD.gn
+++ b/utils/BUILD.gn
@@ -114,6 +114,14 @@ ohos_shared_library("backup_utils") {
     "//third_party/openssl:libcrypto_shared",
   ]
 
+  cflags_cc = [
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fno-unwind-tables",
+    "-fno-asynchronous-unwind-tables",
+    "-Os",
+  ]
+
   use_exceptions = true
   innerapi_tags = [ "platformsdk" ]
   part_name = "app_file_service"