diff --git a/wifi_offload/Android.bp b/wifi_offload/Android.bp
index 9f6fe4e7..730fbc4f 100644
--- a/wifi_offload/Android.bp
+++ b/wifi_offload/Android.bp
@@ -24,7 +24,7 @@ cc_library_static {
         "offload_status_util.cpp",
         "offload_utils.cpp",
     ],
-    cflags: ["-Wall", "-Wextra"],
+    cflags: ["-Wall", "-Wextra", "-Werror"],
     shared_libs: [
         "libbase",
         "libhidlbase",
diff --git a/wifi_offload/Offload.h b/wifi_offload/Offload.h
index 4510f680..d5e9e6db 100644
--- a/wifi_offload/Offload.h
+++ b/wifi_offload/Offload.h
@@ -24,7 +24,7 @@ class HidlDeathHandler : public android::hardware::hidl_death_recipient {
 
     // Death notification for callbacks.
     void serviceDied(uint64_t cookie,
-                     const android::wp<android::hidl::base::V1_0::IBase> &who) override {
+                     const android::wp<android::hidl::base::V1_0::IBase>& /* who */) override {
         cb_.clear();
         cb_function_(cookie);
     }