diff --git a/threadnetwork/aidl/default/Android.bp b/threadnetwork/aidl/default/Android.bp
index 51e5c25..a840fa3 100644
--- a/threadnetwork/aidl/default/Android.bp
+++ b/threadnetwork/aidl/default/Android.bp
@@ -14,6 +14,8 @@
     vendor: true,
     relative_install_path: "hw",
 
+    defaults: ["android.hardware.threadnetwork-service.defaults"],
+
     shared_libs: [
         "libbinder_ndk",
         "liblog",
@@ -43,6 +45,17 @@
     ],
 }
 
+cc_defaults {
+    name: "android.hardware.threadnetwork-service.defaults",
+    product_variables: {
+        debuggable: {
+            cppflags: [
+                "-DDEV_BUILD",
+            ],
+        },
+    },
+}
+
 cc_fuzz {
     name: "android.hardware.threadnetwork-service.fuzzer",
 
diff --git a/threadnetwork/aidl/default/utils.cpp b/threadnetwork/aidl/default/utils.cpp
index 3552b3a..740f331 100644
--- a/threadnetwork/aidl/default/utils.cpp
+++ b/threadnetwork/aidl/default/utils.cpp
@@ -43,6 +43,7 @@
 }
 
 void otDumpDebgPlat(const char* aText, const void* aData, uint16_t aDataLength) {
+#ifdef DEV_BUILD
     constexpr uint16_t kBufSize = 512;
     char buf[kBufSize];
 
@@ -55,6 +56,11 @@
 
         __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, "%s: %s", aText, buf);
     }
+#else
+    OT_UNUSED_VARIABLE(aText);
+    OT_UNUSED_VARIABLE(aData);
+    OT_UNUSED_VARIABLE(aDataLength);
+#endif
 }
 
 OT_TOOL_WEAK void otPlatAlarmMilliFired(otInstance* aInstance) {