tachiyomi/app/src/main/res/drawable/ic_check_box_x_24dp.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24">
    <path
        android:fillColor="@android:color/black"
        android:pathData="M19,3H16.3H7.7H5A2,2 0 0,0 3,5V7.7V16.4V19A2,2 0 0,0 5,21H7.7H16.4H19A2,2 0 0,0 21,19V16.3V7.7V5A2,2 0 0,0 19,3M15.6,17L12,13.4L8.4,17L7,15.6L10.6,12L7,8.4L8.4,7L12,10.6L15.6,7L17,8.4L13.4,12L17,15.6L15.6,17Z" />
</vector>