diff --git a/keymaster/3.0/default/Android.mk b/keymaster/3.0/default/Android.mk
index 36d8890..87a8a05 100644
--- a/keymaster/3.0/default/Android.mk
+++ b/keymaster/3.0/default/Android.mk
@@ -2,6 +2,7 @@
 
 include $(CLEAR_VARS)
 LOCAL_MODULE := android.hardware.keymaster@3.0-impl
+LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SRC_FILES := \
     KeymasterDevice.cpp \
@@ -22,6 +23,7 @@
 
 include $(CLEAR_VARS)
 LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE := android.hardware.keymaster@3.0-service
 LOCAL_INIT_RC := android.hardware.keymaster@3.0-service.rc
 LOCAL_SRC_FILES := \