deleted file mode 100644
--- a/mobile/android/base/resources/drawable/ic_menu_bookmark_add.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!-- This asset is properly available in large-* dirs so this null
-     reference exists for build time on API 9 builds. -->
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-       android:shape="rectangle">
-
-    <solid android:color="@android:color/transparent"/>
-
-</shape>

deleted file mode 100644
--- a/mobile/android/base/resources/drawable/star_blue.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!-- This asset is properly available in large-* dirs so this null
-     reference exists for build time on API 9 builds. -->
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-       android:shape="rectangle">
-
-    <solid android:color="@android:color/transparent"/>
-
-</shape>