diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index cbaf21c..f5a540b 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -357,32 +357,9 @@
         virtual status_t        dump(int fd, const Vector<String16>& args);
 
                 audio_session_t getAudioSessionId() { return mAudioSessionId; }
-        // ModDrm
-        virtual status_t prepareDrm(const uint8_t /*uuid*/[16], const int /*mode*/)
-                            { return INVALID_OPERATION; }
-        virtual status_t releaseDrm()
-                            { return INVALID_OPERATION; }
-        virtual status_t getKeyRequest(Vector<uint8_t> const& /*scope*/,
-                                 String8 const& /*mimeType*/,
-                                 DrmPlugin::KeyType /*keyType*/,
-                                 KeyedVector<String8, String8>& /*optionalParameters*/,
-                                 Vector<uint8_t>& /*request*/,
-                                 String8& /*defaultUrl*/,
-                                 DrmPlugin::KeyRequestType& /*keyRequestType*/)
-                            { return INVALID_OPERATION; }
-        virtual status_t provideKeyResponse(Vector<uint8_t>& /*releaseKeySetId*/,
-                                 Vector<uint8_t>& /*response*/,
-                                 Vector<uint8_t>& /*keySetId*/)
-                            { return INVALID_OPERATION; }
-        virtual status_t restoreKeys(Vector<uint8_t> const& /*keySetId*/)
-                            { return INVALID_OPERATION; }
-        virtual status_t getDrmPropertyString(String8 const& /*name*/,
-                                              String8& /*value*/)
-                            { return INVALID_OPERATION; }
-        virtual status_t setDrmPropertyString(String8 const& /*name*/,
-                                              String8 const& /*value*/)
-                            { return INVALID_OPERATION; }
-
+        // Modular DRM
+        virtual status_t prepareDrm(const uint8_t uuid[16], const Vector<uint8_t>& drmSessionId);
+        virtual status_t releaseDrm();
 
     private:
         class ServiceDeathNotifier: public IBinder::DeathRecipient