diff --git a/evs/1.0/default/Android.bp b/evs/1.0/default/Android.bp
index e3bff25..7be365a 100644
--- a/evs/1.0/default/Android.bp
+++ b/evs/1.0/default/Android.bp
@@ -1,5 +1,6 @@
 cc_binary {
     name: "android.hardware.evs@1.0-service",
+    proprietary: true,
     relative_install_path: "hw",
     srcs: [
         "service.cpp",