diff --git a/camera/device/1.0/default/Android.bp b/camera/device/1.0/default/Android.bp
index eec641a..5688fc1 100644
--- a/camera/device/1.0/default/Android.bp
+++ b/camera/device/1.0/default/Android.bp
@@ -1,6 +1,7 @@
 cc_library_shared {
     name: "camera.device@1.0-impl",
     defaults: ["hidl_defaults"],
+    proprietary: true,
     srcs: [
         "CameraDevice.cpp",
     ],
diff --git a/camera/device/3.2/default/Android.bp b/camera/device/3.2/default/Android.bp
index 3767e09..e0dc5ff 100644
--- a/camera/device/3.2/default/Android.bp
+++ b/camera/device/3.2/default/Android.bp
@@ -1,6 +1,7 @@
 cc_library_shared {
     name: "camera.device@3.2-impl",
     defaults: ["hidl_defaults"],
+    proprietary: true,
     srcs: ["CameraDevice.cpp",
            "CameraDeviceSession.cpp",
            "convert.cpp"],