diff --git a/services/BUILD.gn b/services/BUILD.gn
index 10ab7bcc6847e73568f020ec2c1f039f9bbc7e5d..db5914a2282a8268a7aae8db13484e7b46754a03 100644
--- a/services/BUILD.gn
+++ b/services/BUILD.gn
@@ -35,6 +35,20 @@ ohos_shared_library("libsensor_service") {
     "$SUBSYSTEM_DIR/utils/ipc/include",
   ]
 
+  cflags = [
+    "-fvisibility=hidden",
+    "-ffunction-sections",
+    "-fdata-sections",
+    "-Oz",
+  ]
+
+  cflags_cc = [
+    "-fvisibility=hidden",
+    "-ffunction-sections",
+    "-fdata-sections",
+    "-Oz",
+  ]
+
   branch_protector_ret = "pac_ret"
   sanitize = {
     cfi = true
@@ -134,6 +148,20 @@ ohos_static_library("libsensor_service_static") {
     "$SUBSYSTEM_DIR/utils/ipc/include",
   ]
 
+  cflags = [
+    "-fvisibility=hidden",
+    "-ffunction-sections",
+    "-fdata-sections",
+    "-Oz",
+  ]
+
+  cflags_cc = [
+    "-fvisibility=hidden",
+    "-ffunction-sections",
+    "-fdata-sections",
+    "-Oz",
+  ]
+
   branch_protector_ret = "pac_ret"
   sanitize = {
     cfi = true
diff --git a/utils/common/BUILD.gn b/utils/common/BUILD.gn
index 093c0f2b9134af96ee2100e6b1911b373bc919cc..e250a34d364786876a0c58d1baab2204a4fe2238 100644
--- a/utils/common/BUILD.gn
+++ b/utils/common/BUILD.gn
@@ -26,6 +26,18 @@ ohos_shared_library("libsensor_utils") {
     "src/sensor_channel_info.cpp",
   ]
 
+  cflags = [
+    "-ffunction-sections",
+    "-fdata-sections",
+    "-Oz",
+  ]
+
+  cflags_cc = [
+    "-ffunction-sections",
+    "-fdata-sections",
+    "-Oz",
+  ]
+
   branch_protector_ret = "pac_ret"
   sanitize = {
     cfi = true
diff --git a/utils/ipc/BUILD.gn b/utils/ipc/BUILD.gn
index a37332ae66b71c095bf6d6aaef5e4f1ba842a88c..743d8c28e80814f1fd5e4667c944ed49987bd570 100644
--- a/utils/ipc/BUILD.gn
+++ b/utils/ipc/BUILD.gn
@@ -35,6 +35,18 @@ ohos_shared_library("libsensor_ipc") {
     debug = false
   }
 
+  cflags = [
+    "-ffunction-sections",
+    "-fdata-sections",
+    "-Oz",
+  ]
+
+  cflags_cc = [
+    "-ffunction-sections",
+    "-fdata-sections",
+    "-Oz",
+  ]
+
   defines = sensor_default_defines
 
   if (sensor_rust_socket_ipc) {